diff --git a/ui (gen4)/features/base.js b/ui (gen4)/features/base.js
index e4acae62..12c2e129 100755
--- a/ui (gen4)/features/base.js	
+++ b/ui (gen4)/features/base.js	
@@ -599,6 +599,8 @@ module.SortActions = actions.Actions({
 	// 	}
 	//
 	// NOTE: the cmp function is called in the actions context.
+	//
+	// XXX sequence number with overflow...
 	__sort_methods__: {
 		'name-leading-sequence': function(a, b){
 			a = this.images.getImageNameLeadingSeq(a)
@@ -657,9 +659,14 @@ module.SortActions = actions.Actions({
 	// 		will reverse the result's order while:
 	// 		 	'metadata.createDate birthtime reverse' + ' reverese' 
 	// 		will cancel reversal.
+	// NOTE: with empty images this will not do anything.
 	//
-	// XXX this also requires images...
 	// XXX cache order???
+	// XXX would be nice to be able to sort a list of gids or a section
+	// 		of images...
+	// XXX sorting with partial images will throw the images that do not
+	// 		exist or the ones that do not have the right attrs all over 
+	// 		the place...
 	sortImages: ['- Edit|Sort/Sort images',
 		function(method, reverse){ 
 			var that = this
@@ -692,7 +699,6 @@ module.SortActions = actions.Actions({
 					.join(' ')
 				: method
 			method = typeof(method) == typeof('str') ? method.split(/ +/g) : method
-			method = method instanceof Array ? method : [method]
 
 			// get the reverse arity...
 			var i = method.indexOf('reverse')
@@ -808,8 +814,8 @@ module.SortActions = actions.Actions({
 			})],
 
 	// Store/load sort data:
-	// 	.data.sort_method	- current sort mode (optional)
-	// 	.manual_order		- manual sort order (optional)
+	// 	.data.sort_method		- current sort mode (optional)
+	// 	.data.manual_order		- manual sort order (optional)
 	load: [function(data){
 		return function(){
 			if(data.data && data.data.sort_method){
diff --git a/ui (gen4)/features/cli.js b/ui (gen4)/features/cli.js
index 9d42a3a9..30558826 100755
--- a/ui (gen4)/features/cli.js	
+++ b/ui (gen4)/features/cli.js	
@@ -141,6 +141,9 @@ module.CLI = core.ImageGridFeatures.Feature({
 					})
 					*/
 
+					// XXX might be a good idea to make the action call
+					// 		syntax like this:
+					// 			--<action-name> [args]
 					.arguments('<action> [args]')
 					.action(function(action, args){
 						// XXX
diff --git a/ui (gen4)/features/filesystem.js b/ui (gen4)/features/filesystem.js
index 514141d1..6c5bdbf3 100755
--- a/ui (gen4)/features/filesystem.js	
+++ b/ui (gen4)/features/filesystem.js	
@@ -270,6 +270,7 @@ var FileSystemLoaderActions = actions.Actions({
 
 	// XXX auto-detect format or let the user chose...
 	// XXX should this return a promise??? ...a clean promise???
+	// XXX should the added section be marked or sorted???
 	loadPath: ['- File/Load path (STUB)',
 		function(path, logger){
 			// XXX check if this.config['index-dir'] exists, if yes then
@@ -278,8 +279,6 @@ var FileSystemLoaderActions = actions.Actions({
 			//this.location.method = 'loadImages'
 		}],
 
-	// XXX merging does not work (something wrong with .data.join(..))
-	// 		...fixed a bug in images.js hash generator, now might be fixed...
 	// XXX should this return a promise??? ...a clean promise???
 	// XXX revise logger...
 	loadNewImages: ['File/Load new images',
@@ -298,8 +297,11 @@ var FileSystemLoaderActions = actions.Actions({
 			var base_pattern = RegExp('^'+path)
 
 			// find images...
-			glob(path + '/'+ this.config['image-file-pattern'])
+			glob(path + '/'+ this.config['image-file-pattern'],
+					{stat: !!this.config['image-file-read-stat']})
 				.on('end', function(lst){ 
+					var stats = this.statCache
+
 					// create a new images chunk...
 					lst = lst
 						// filter out loaded images...
@@ -327,6 +329,19 @@ var FileSystemLoaderActions = actions.Actions({
 					var gids = new_images.keys()
 					var new_data = that.data.constructor.fromArray(gids)
 
+					new_images.forEach(function(gid, img){
+						var stat = stats[p.join(img.base_path, img.path)]
+
+						img.atime = stat.atime
+						img.mtime = stat.mtime
+						img.ctime = stat.ctime
+						img.birthtime = stat.birthtime
+
+						img.size = stat.size
+
+						// XXX do we need anything else???
+					})
+
 					// merge with index...
 					// NOTE: we are prepending new images to the start...
 					// NOTE: all ribbon gids will change here...
diff --git a/ui (gen4)/features/keyboard.js b/ui (gen4)/features/keyboard.js
index 6c9ffdc8..2f649537 100755
--- a/ui (gen4)/features/keyboard.js	
+++ b/ui (gen4)/features/keyboard.js	
@@ -168,6 +168,8 @@ module.GLOBAL_KEYBOARD = {
 			// XXX need to prevent default on mac + browser...
 			meta: 'nextScreen',
 		},
+		Space: 'Right',
+		Backspace: 'Left',
 		'(': 'prevImageInOrder',
 		')': 'nextImageInOrder',
 		',': 'prevMarked',
diff --git a/ui (gen4)/features/metadata.js b/ui (gen4)/features/metadata.js
index efb3a7fe..ac2bbac0 100755
--- a/ui (gen4)/features/metadata.js	
+++ b/ui (gen4)/features/metadata.js	
@@ -90,6 +90,8 @@ module.Metadata = core.ImageGridFeatures.Feature({
 
 // XXX add Metadata writer...
 var MetadataReaderActions = actions.Actions({
+	// NOTE: this will read both stat and metadata...
+	//
 	// XXX add support to taskqueue...
 	// XXX should this process multiple images???
 	// XXX also check the metadata/ folder (???)
@@ -119,6 +121,20 @@ var MetadataReaderActions = actions.Actions({
 						return reject(err)
 					}
 
+					// read stat...
+					if(!that.images[gid].birthtime){
+						var img = that.images[gid]
+						var stat = fs.statSync(full_path)
+						
+						img.atime = stat.atime
+						img.mtime = stat.mtime
+						img.ctime = stat.ctime
+						img.birthtime = stat.birthtime
+
+						img.size = stat.size
+					}
+
+					// read image metadata...
 					exiftool.metadata(file, function(err, data){
 						if(err){
 							reject(err)