mac mini hardware Q

mac mini hardware Q: "

I am drooling over the specs I read about the new mini and it's new mini price. Can I, an old G4 user, use an outside drive for my older software that Lion won't run? I read on Lowendmac about stepping backward to Snow Leopard, would that help? Could I run the 10.4 drive off of it, say as apartition on the Lion main drive. I can't see buying an older mini or G5 for almost as much money, but my color-it and photoshop are very important in my line of work.

thanks, theArtman

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Source : Google Reader