Once again, I feel like my phone responds differently than bizz's and Bretts. Dominator always FC's and loops on me, wipe or no wipe, fresh install, etc. I have tried it 3 times, and it just seems more unstable to me. It also doesn't like heat when running the navigation app, as that's where one of my bootloops came from.
BB, however, is treating me fine. 1.1 is a little more smooth than 1.0, although not some great changes (should have really been 1.0.1 I believe). I have yet to enable Set CPU, and my temps are doing fine, and not overheating nearly as much as they do with SetCPU on (for any rom).
Regardless of what is chosen, they are both fast roms. Every phone responds differently (really shouldn't, but these are starting to be as finicky as computers, and we all know what fun that is).
Edit: Haven't tried 5.0.7 yet, but as I don't use a lot of extra "options" included, it doesn't really seem necessary for me to switch over.