http://forum.xda-developers.com/showpost.php?p=9741682&postcount=56 here's the post...you need an XDA account to download the zip file...flash it like any regular update.zip
word. it is still relatively featureless but the p2p chat feature is fast and just great...it needs to allow file sharing and other things to feel complete though, but for now, I'm all for it.
Plus I like the UI.
MIUI is a 100% AOSP based custom built version of Android made by fans for fans?
If it is WOW...CM still has a special place in my heart but what MIUI did with the same code is simply amazing.