iMac (2007-2009) Memory Installation Video - YouTube
2007 24 Inch iMac Restoration and Upgrade! SSD + Ram & More! - YouTube
6GB Memory for 2007-2008 MacBook Pro, MacBook, and iMac
iMac RAM upgrade: Here's an affordable way to improve multitasking - CNET
Install memory in an iMac - Apple Support
OWC SSD Upgrade Kits For iMac 2007
memory - How much more RAM can I add to my Mid 2007 24" iMac? - Ask Different
OWC 4GB PC5300 DDR2 667MHz SO-DIMM Memory RAM Upgrade Compatible with MacBook (Late 2007/Early 2008), MacBook Pro (Mid/Late 2007, Early 2008), & iMac (Late 2007) with Core 2 Duo CPU (OWC5300DDR2S4GB) at Amazon.com
2007 24 Inch iMac Restoration and Upgrade! SSD + Ram & More! - YouTube