The worst that could happen is your network provider tell you to f off after you've bricked it and you're left with a nice looking doorsop
WhiteXperience from NextSense dev, based on Cyanogen ROM so expect excellent battery life and other nice things
Nandroid backups of my NextSense and OpenDesire setups all exist so ROM hopping is even easier now
/cowers in corner clinging to working phone....
You seem to change ROM's about twice a day mate!!