Five years of Apple: 2005 iPod to 2010 iPod touch | AppleInsider
Identify your iPod model - Apple Support
Review: Apple iPod touch 2008 (8GB/16GB/32GB) + 2009 (8GB/32GB/64GB)
Apple iPod Retrospective | ZDNET
iPod Post : My 2008 iPod Nano. Still use it for my gym as the mobiles are too bulky. : r/BuyItForLife
What are the differences between the third generation iPod nano models? What are the differences between these models and the models they replaced?: EveryiPod.com
iPod Touch 2nd generation (MB model, 8GB) from 2008, still going strong today : r/OutdatedHardware
More 4th Gen iPod Nano and 2nd Gen iPod Touch Cases - MacRumors