I had yesterday simple idea, use swype gesture to go up one level in Start Menu. After about 2 hours, work was done.
Animation is better than 100 words:
Like... you go from left to right (well, it works even in opposite direction) and if you move it with right, it puts you one level up.
.zip for EXT form -- on bottom of this post
.cab for CAB
Note: this is for WM6.5 and higher!