Look, if you want to be a beta tester I think you ought to bear this in mind:
A few days ago I decided to test Windows Live OneCare beta from Micr$oft. When I later attempted to remove it (it's rubbish), it left half the installation files behind and caused my PC to randomly crash. Since then I have installed linux
but that's not the point!
Beta testing isn't always a breeze. It can go wrong and cause you to lose all of your data, it's not about getting the latest releases before everyone else.