Ask HN: Coolest iPhone App UI/UX's? Post Your Favorite

[HackrNwsDesignr]

My favorite (and their website for that matter):

http://awesome.taskrabbit.com/017e0

Twitter, Robotcat Apps (Outside Weather App), TeaApp, and despite their situation, AirBnB, all come to mind. Any others?

[domino]

Summify http://itunes.apple.com/us/app/summify/id446082229?mt=8&...

[HackrNwsDesignr]

clickable http://awesome.taskrabbit.com/017e0

(email is just for new macbook air contest, you can download the app w/o it, just don't enter your email if you don't want to try to win)