diff -Nurpd uck-code-orig/libraries/remaster-live-cd.sh uck-code-squash/libraries/remaster-live-cd.sh
--- uck-code-orig/libraries/remaster-live-cd.sh	2013-07-08 22:49:51.487268167 +0200
+++ uck-code-squash/libraries/remaster-live-cd.sh	2013-07-09 19:52:31.213604419 +0200
@@ -513,8 +513,8 @@ function pack_rootfs()
 		GUEST_KERNEL_VERSION=`ls /boot/config-* | sed 's/.*config-//' | cut -d '-' -f1 | sort -r | head -n1`
 		if [ `echo -e "${SQUASHFS_VERSION}\n4.2" | sort | head -n1` = "4.2" ]; then
 			if [ `echo -e "${GUEST_KERNEL_VERSION}\n2.6.30" | sort | head -n1` = "2.6.30" ]; then
-				echo "Squashfs>=4.1, guest kernel>=2.6.30: Enabling XZ compression for squashfs..."
-				EXTRA_OPTS="${EXTRA_OPTS} -comp xz"
+				echo "Squashfs>=4.1, guest kernel>=2.6.30: Enabling $SQUASH_COMP compression for squashfs..."
+				EXTRA_OPTS="${EXTRA_OPTS} -comp $SQUASH_COMP"
 			fi
 		fi
 
diff -Nurpd uck-code-orig/uck-gui uck-code-squash/uck-gui
--- uck-code-orig/uck-gui	2013-07-08 22:49:51.499268230 +0200
+++ uck-code-squash/uck-gui	2013-07-09 19:57:33.331102538 +0200
@@ -284,6 +284,13 @@ if [ $? -ne 0 ] ; then
 	failure_user
 fi
 
+# the default xz compression provides the best possibly compression, but slows bootup down on older or less capable systems
+# lzo compression performs very well on less capable systems, speeding up boot times and application start times
+SQUASH_COMP=`dialog_menu $'Which squashfs compression do you want to use' xz gzip lzo`
+if [ $? -ne 0 ] ; then
+        failure_user
+fi
+
 dialog_msgbox "Ready to build" "$PRE_START_TEXT"
 
 echo "Preparing build environment..."
@@ -325,7 +332,7 @@ echo "Running build process..."
 (
 echo "Build ($0 $SAVED_ARGS) started at `date +'%Y-%m-%d %H:%M:%S'`"
 export UCK_USERNAME="$USER"
-sudo bash "$SCRIPTS_DIR"/uck-remaster $USE_MOUNT "$ISO_IMAGE" "$BUILD_DIR" "$REMASTER_HOME"
+sudo bash "$SCRIPTS_DIR"/uck-remaster $USE_MOUNT "$ISO_IMAGE" "$BUILD_DIR" "$REMASTER_HOME" "$SQUASH_COMP"
 RESULT=$?
 
 if [ $RESULT -ne 0 ]; then
diff -Nurpd uck-code-orig/uck-remaster uck-code-squash/uck-remaster
--- uck-code-orig/uck-remaster	2013-07-08 22:49:51.507268275 +0200
+++ uck-code-squash/uck-remaster	2013-07-09 20:50:33.774873535 +0200
@@ -24,7 +24,7 @@
 
 function usage()
 {
-	echo "Usage: $0 [-m] iso-file.iso [customization-scripts-dir] [remaster-home]"
+	echo "Usage: $0 [-m] iso-file.iso [customization-scripts-dir] [remaster-home] [squash-comp]"
 }
 
 function check_exit_code()
@@ -57,6 +57,7 @@ fi
 ISO_IMAGE="$1"
 CUSTOMIZE_DIR="$2"
 REMASTER_HOME=${3:-~/tmp}
+SQUASH_COMP="$4"
 
 if [ -z "$ISO_IMAGE" ]; then
 	usage
@@ -197,9 +198,9 @@ fi
 
 if [ "$CUSTOMIZE_ROOTFS" = "yes" ] ; then
 	if [ "$CLEAN_DESKTOP_MANIFEST" = "yes" ]; then
-		$SCRIPTS_DIR/uck-remaster-pack-rootfs -c "$REMASTER_HOME"
+		$SCRIPTS_DIR/uck-remaster-pack-rootfs -c "$REMASTER_HOME" "$SQUASH_COMP"
 	else
-		$SCRIPTS_DIR/uck-remaster-pack-rootfs "$REMASTER_HOME"
+		$SCRIPTS_DIR/uck-remaster-pack-rootfs "$REMASTER_HOME" "$SQUASH_COMP"
 	fi
 	check_exit_code
 fi
diff -Nurpd uck-code-orig/uck-remaster-pack-rootfs uck-code-squash/uck-remaster-pack-rootfs
--- uck-code-orig/uck-remaster-pack-rootfs	2013-07-08 22:49:51.495268223 +0200
+++ uck-code-squash/uck-remaster-pack-rootfs	2013-07-09 20:50:08.006745669 +0200
@@ -24,7 +24,7 @@
 
 function usage()
 {
-	echo "Usage: $0 [remaster-dir] [-c|--clean-desktop-manifest]"
+	echo "Usage: $0 [remaster-dir] [squash-comp] [-c|--clean-desktop-manifest]"
 }
 
 function failure()
@@ -55,6 +55,7 @@ do
 done
 
 REMASTER_HOME="$1"
+SQUASH_COMP="$2"
 if [ -z "$REMASTER_HOME" ]; then
 	REMASTER_HOME=~/tmp
 fi
@@ -68,4 +69,4 @@ fi
 ISO_REMASTER_DIR="$REMASTER_HOME/remaster-iso"
 REMASTER_DIR="$REMASTER_HOME/remaster-root"
 
-pack_rootfs
\ No newline at end of file
+pack_rootfs