That's reassuring. What graphics card is in there? I recently picked up an '06 2.66GHz w/ 6GB RAM, and I'll stick my 6570 in there for now. Is it a decent system? How does it fare up against your MacBook (forgetting 4GB vs 16GB RAM)?
I'd say it's a little bit better but, it wants to "hang" every once in awhile. Granted, I'm spoiled with my SSD in my Macbook and the MP has an old 320G sata in it. I'm sure if I had a SSD drive, I'd say it was a LOT faster.
I know it plays Diablo III a lot better but, that's graphics mostly. By far the fast (and best running) system (for home) I've ever owned. Not sure how I'd act with a newer one and SSD.