I have had this problem since getting my intel mac the day they were released. It seems that there is no plug in for my browser to watch certain videos or play certain sounds. I can't figure out what it is. The puzzle piece will show up and say "plug in missing. click here to install necessary plug in". I click it, and it says "no plug in available, do you want to try it manually" (these arent exact quotes but pretty much what it says). One of the sites that definitely has a problem is sirius.com . when i load the internet player on my G4's, it runs fine, on the intel machine it will not play. I can't think of any specific video sites off of the top of my head, but it happens pretty often...(I am at work and that computer is at home) Does anyone know what it is I need to put on there? I thought in the beginning it was probably just compatability issues with something and being the new intel platform - but now it's been a long time, I think they would fix something like that by this point, I just dont know what it is I am missing. Any suggestions?