I'm running CyanogenMod 9 on my old (but brave) LG P500:
It came with Android 2.2 Froyo. Looking great now.
I think I'll switch to AOKP, since it's just like CM9, only difference is that it has more features. This post has been edited by H3NR1QU3 on Saturday, May 19 2012, 01:20