AFAIK since the launch in the middle of 2007 till beginning of 2008 were sold 4 mln iPhones and 23 mln iPods (Touch model only), 27 mln combined
Do you have any sources for this? This site, which counts the shipments, list ~ 30M in total for Ipods in that time. http://www.systemshootouts.org/ipod_sales.html
http://www.vgchartz.com/games/userreviewdisp.php?id=261
That is VGChartz LONGEST review. And it's NOT Cute Kitten DS