just in a moment to install...Parallels Desktop for Mac: // give urls I have a MacBook Pro Late 2006 duo core 2(3GB RAM), upgraded to Lion, if install Parallels... and guess vista home basic, may upgrade windows to >SP1>SP2 AFTER installed in parallel on my Mac? how? How uninstall a trial, not installed yet...? what others OSs supported? may install ubuntu 12.04 coming April? Open Solaris what version SUPPORTED? Finally if choose to have Lion, and guess: vista home basic, ubuntu 12.04, Open Solaris newest total 3+1=4 is to be run without problems in my system?