Used MacBook Pro 15-inch MA896LL/A

Used MacBook Pro 15-inch 2.4GHz Intel Core 2 Duo – MA896LL/A
includes:
2.4GHz Intel Core 2 Duo Processor
2GB RAM
160GB  Serial ATA Hard Disk Drive
15.4-inch (diagonal), 1440 by 900 resolution, TFT widescreen
8x SuperDrive (DVD+R DL/DVD±RW/CD-RW)
NVIDIA GeForce 8600M GT with 256MB of GDDR3 SDRAM and dual-link DVI
One FireWire 400, one FireWire 800, two USB 2.0 ports, and ExpressCard/34 slot
Built-in iSight camera, DVI, VGA (DVI to VGA adapter included)
Mac OS X version 10.4 “Tiger”
90-day Store Warranty

Price: $899
Upgrade to 4GB RAM for $125
Upgrade to 320GB 7200rpm Hard Disk Drive for $169

full specifications: http://support.apple.com/kb/SP17