Hey guys, saw this floating around the Twitterworlds and didn't see it posted here. This dev wrote a 99 cent app that runs on both the iPhone and iPad and allows the iPad to use the iPhone camera over Bluetooth. I just tried it out and while there is a slight delay it's still pretty cool.
http://itunes.apple.com/us/app/camera-for-ipad/id366129244
http://itunes.apple.com/us/app/camera-for-ipad/id366129244