On a side not, damn $900 and it can fly 22 minutes. That sounds very little, I hope this things will improve soon they sound amazingly fun!
As for $900 - it survived getting way too close to an active volcano... this is good stuff.
Actually, the Phantom 2 is said to go 25-30 minutes, but perhaps that's without payload.
This fellow went all-out to get 97 minutes: http://www.diydrones.com/profiles/blogs/my-97minute-06second...