Thanks for all the good advices. I just trashed my Mac and bought a PC. Now I am compatible to Microsoft. Yes, Im equal now, no more difference! I even killed Netscape and use now IE. Avi, wmv and wave... this is my world now. But hey - what is this? I changed RAM and HD and now my OEM version of Windows does not work anymore? And why does my sound card sounds so crappy? Oh my god... just a nightmare. I fell asleep but now i am awake and my G4 is still there... And what the hell is BIOS?