Flashing new roms - metroPCS

[emartinez13]

I've been flashing roms left and right trying to decide which one to stick with, and right now i'm happy with Silence rom 9 but I keep getting the urge to try something else (I know, the addiction is kickin in ) I'm on metroPCS and everytime I flash a new rom I have to go in and set up the MMS, mess with regristry settings, set up my slow internet connection. I was just wondering what I can do to save all this stuff in a cab or some kind of registry file that I can import in after I flash a new rom. It would really save me alot of time and aggravation. Thanks.