iMac (Mid-2007) Mac OS X Install DVDs : Apple : Free Download, Borrow, and Streaming : Internet Archive
Vukaboda - Apple iMac 24-inch 2.4GHz Core 2 Duo (Mid 2007) - Good Condition Processor 2.4GHz Intel Core 2 Duo 4GB 667MHz DDR2 SDRAM ATI Radeon HD HD 2600 Pro 256MB Mid
The infamous 2007 iMac on Catalina | MacRumors Forums
iMac Intel 20" Mid 2007 EMC 2133 - used original spareparts for Macs