Congrats!
That sucks, and by that I mean it sucks for the poor sucker who sold it to you. Please tell me it wasn't a maxed-out 2.4 with 4 GB RAM...if so, the seller sure got screwed!
Super awesome for the OP anyways...enjoy! 
*goes to Craigslist hoping to find a legit, fully-loaded latest-rev. 8-core Mac Pro for $1,999*

I just bought a unibody macbook today for $700 off Craigslist.

That sucks, and by that I mean it sucks for the poor sucker who sold it to you. Please tell me it wasn't a maxed-out 2.4 with 4 GB RAM...if so, the seller sure got screwed!
*goes to Craigslist hoping to find a legit, fully-loaded latest-rev. 8-core Mac Pro for $1,999*