Hi guys, I hope this is an acceptable place to post this question. I recently got a rMBP and I'm just loving it... and subsequently am looking to downsize and sell my Mac Pro. It's a Mid 2010, single 2.8GHz Quad with 7GB Apple RAM, x2 2TB HDDs, x1 1TB HDD, x1 120GB SSD, a 5870, and Mountain Lion. The thing is, I've had it listed for $2,500 OBO online for a little while and it hasn't sold. Has my Mac Pro really depreciated in value that much? Or is its configuration discouraging to some prospective buyers? It's absolutely mint and comes with everything it shipped with, so I'm skeptical it's anything else than pricing that's preventing its sale. Thanks for your time, if anyone knows best, it's you guys here! Cheers!