I am up and running in ICS! Thank you to everyone, and I mean EVERYONE, for your help.
ICS is a definite step up, especially aesthetically. I have a few observations:
1) You cannot choose which camera you access from the lock screen. It goes to the ICS camera, which is still terrible for the Bionic. The white balance on the bionic has always given everything a strong blue-ish tinge, and it still does. I don't know why we didn't get any white balance controls for our version of the ICS camera. I use the Zoom camera, which adds that control and produces much better colors. Unfortunately, even with it set as my default camera, it is not accessible from the lock screen.
2) I do not like the new text message format. I really liked the former GB format, but now it is cluttered with photos on every text line, which is redundant and ugly. Oh well, I guess I can live with it.
3) I still have root! I used motofail to root when I was on GB, and used Voodoo to unroot. I upgraded and then re-rooted with Voodoo. Voila! It worked!
4) I am clocked at 1.0 Ghz still. I didn't try any of the prior ICS releases, but I am on Rev3, if anyone cares. Still, I have always been happy with the performance of this phone, and it remains snappy in ICS.
So far, I am very happy with everything else.