Apple also released 3 new iPod Touch models, 8, 16 and 32GB models are available for $229, $299 and $399 respectively. New features include built-in speakers, exterior volume controls, Nike+ wireless receiver, preloaded with the new 2.1 software and a thinner form factor. They are available now on the Apple Store.
For owners of the first generation iPod Touch (and bought the 2.0 software). You can download the 2.1 software from the iTunes Store now. The 2.1 software update for the iPhone will be available this Friday.
Apple also posted a guided tour video of the iPod Touch on their website.