CMS 8GB (2X4GB) DDR3 8500 1066MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® MacBook Pro Core 2 Duo 2.8 17" Mid-2009 - A35 at Amazon.com
MacBook Pro 15" Unibody Late 2008 and Early 2009 RAM Replacement - iFixit Repair Guide
Apple MacBook Pro Summer 2009 review: Apple MacBook Pro Summer 2009 - CNET
OWC 4GB (2 x 2GB) PC8500 DDR3 1066MHz SO-DIMMs Memory Compatible with Late 2008 - Early 2010 MacBook, MacBook Pro Unibody Models, 2009/2010 Mac Mini, 2009 iMac, Late 2009 MacBook 13" at Amazon.com
MacBook Pro 15" Unibody 2.53 GHz Mid 2009 - iFixit
Timetec 8GB KIT(2x4GB) Compatible for Apple DDR3 1067MHz / 1066MHz PC3-8500 CL7 for Mac Book,
MacBook Pro 15" Unibody Late 2008 and Early 2009 RAM Replacement - iFixit Repair Guide
OFFTEK 4GB Replacement Memory RAM Upgrade for Apple MacBook Pro 2.53GHz Intel Core 2 Duo (15-inch) (DDR3) (Mid-2009) (DDR3-8500) Laptop Memory at Amazon.com
Grade B Apple MacBook 15" A1286 2009 2.8Ghz 1TB HDD 8GB RAM MB986LL/A | eBay
How to Upgrade RAM on MacBook Pro, iMac & More | AVG
15-inch MacBook Pro Mid 2009 Memory Installation Video - YouTube