I will try to answer questions but I don't consider myself a dev so I may not be able to answer all questions.
I AM NOT RESPONSIBLE IF YOU BRICK YOUR PHONE. As with all ROM's, flash at your own risk.
You must flash these gapps for Google backup to work.
CWM flashable rom
http://devhost.xda-developers.com/8Vv
SU.zip
http://devhost.xda-developers.com/uYn
Gapps
http://devhost.xda-developers.com/ztJ
First Build
Wifi Tether and MMS Recieve Broke
Second Build
Fixed MMS Recieve Thanks Burnsra
Third Build.
Fixed Wifi Tether over 3g.
fourth Build
Updated to r4
Tweaked Crespo Overlay
Fifth Build
Fixed build.prop mistake and tethering issue.
Sixth Buid
Added reboot options
Fixed Google Backup (Thanks rasengan82)
Limited SMS to 160 char or less
Major props goes to Burnsra for the mms fix. Rasengan82 for the google backup fix.