Ok I want to get a Mac Mini to use as a better version of Apple TV. I have a 1TB External HD filled with video, and just need it to run FrontRow and Perian and play my videos. I've been looking as ones on Craigslist and alot of them are PowerPC. Does it matter? For what I'm using it for do I need Intel?? I have a few Intel Macs but never owned a Mac when PPC was used. What should I get??