I purchased Leopard for my 1.42 GHz Power PC G-4 512 MB Mac Mini at Best Buy. It installed fine, but I am really noticing the drain on my computer. Everything is running a bit slower and the otherwise cool features of Leopard are actually burdensome because of how slowly they run. All of this has left me making the sobering decision to just go out and buy a new Leopard equipped imac instead of thinking my 2 1/2 year old mac mini is gonna be able to keep up with the times. The question is...what is the best possible way to get some money back for my now useless purchase of Leopard. Will an Apple Store give me any credit toward the purchase of the new imac by giving them the Leopard with receipt I just bought 2 days ago from Best Buy? (I know it's a long shot) Can I re-sell Leopard to someone else (like on "craig's list" or ebay). I'm basically just wanting to recoup some of the $129 I just spent. I would thoroughly appreciate any ideas. Thank you!