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In my circle, I would disagree. I'm using a 6 year old Mac Pro, have a 2006 Mac mini as an HTPC, another as a fileserver in the basement. Our household has an original iPad, an iPad 3G, two iPhone 3GS used as ersatz iPod Touches for the kids. I did recently upgrade to the iPhone 5 from the iPhone 3GS, but that's because I don't want to be on a two year treadmill. The only issue I ever had was with a balky videocard i…
If you have the right video card, you can get Mountain Lion running with these instructions: http://www.jabbawok.net/?p=47 This worked for me with my 2006 Mac Pro 1,1 w/ an ATI HD5770 graphics card. I do have an issue where it often doesn't come back from sleep, so I never put it to sleep, but other than that it's been flawless so far. I haven't spent any time looking into the sleep issue, maybe it's a solvable probl…
Thanks for the link to the workaround. Hopefully it isn't something that will get broken with updates.