Successfully flashed the ICS leak and re-rooted flawlessly w/ http://www.droidforums.net/forum/dro...it-bionic.html, and so far, so good. It's only been about 12 hours though. Seems pretty fast so far. I wasn't having any data issues with 905 before I flashed. That seemed to be working pretty well, too.
We'll see how normal use goes over the next few days.
How can you tell if the kernel is 1.0 or 1.2 or whatever GHz?