Is it worth upgrading my ram on a Late 2009 iMac? New iMacs/MacBooks are very pricey. It's currently running on 4GB of RAM & it has a 3.06GHz Intel Core Duo Processor. :
How to Upgrade Memory in a Late 2009 21.5-inch or 27-inch iMac - YouTube
Timetec 16GB KIT(4x4GB) Compatible for Apple DDR3 1067MHz / 1066MHz PC3-8500 CL7 Dual Rank for iMac (Late 2009 21.5-inch / 27-inch) SODIMM Memory MAC RAM Upgrade for iMac 10,1 and iMac 11,1 at Amazon.com
Benefits from RAM upgrade to Late 2009 iMac | MacRumors Forums
Memory Upgrades for Apple iMac 2009 - Up to 32GB
Install memory in an iMac - Apple Support
iMac Early 2009 (20-inch and 24-inch) RAM Upgrade Dallas – Apple Mac Computer Repair Dallas , Laptop ,Desktop ,iMac ,MacBook iPhone iPad Data Recovery ,Virus
How To Upgrade RAM in a Mac | Macworld
iMac | 2.93 GHz Core 2 Duo | 24 Inch | Early 2009 - Techable.com