once again i can confirm this works flawlessly just rooted and flashed the recovery 0.99.2b on my brothers droid
once install the update zip used droid rooter helper to install busybox, rename the recovery image, and install flash image then i used adb shell and flashed image 0.99.2b and just made a nandroid backup and installed 2.1 gallery etc on his 2.0.1 all with no problems or anything thanks once again