I went from stock 2.1 to stock 2.2.. then back to 2.1.

In the droid x hacking guide theres the following..

Where is this bootstrapper.apk file?

I read some where that a few people have renamed the superuser files and then downloaded and installed the ota 2.2 update. Then they kept the root super user access.

...soo... ??????? huh??? how do i get the 2.2 with root?

My Brain Hurts: Droid X Recovery

and they moved su from bin to xbin