I want this. Well, maybe with a slimmer keyboard. Possibly a foldable version of something the size of the Apple Wireless Keyboard (pictured below). Doesn’t have to actually BE wireless, though. I’d be FINE with a USB cable, and even with slapping rechargeable batteries in the keyboard to prevent an additional power draw from the iPod Touch…

Apple Wireless Keyboard - perfect companion to my iPod Touch? Please?
This would make the Notes app much more useful. And the WordPress app. And email. etc… etc…