There is definitely a lot of crap on the app store nowadays, but there is still plenty of good stuff. Apps I consider to be very good or excellent:

- TomTom - clearly Bruno disagrees on this one
- Thing - simple, effective "lists of things organiser"
- Byline - good RSS reader that syncs with Google Reader
- Twitter - an example of excellent UI design (I can't say the same for the iPad app)
- Words With Friends - well designed attractive alternative to the awful official Scrabble app
- Weather Pro - excellent weather app with detailed forecasts, graphs, rain radar and satellite images
- iPeng - the must have app for Squeezebox users
- ShopShop - handy shopping list app, with the vital feature "email list to my other half" feature
- Air Video - excellent combination of a PC side server app (Windows and Mac) that transcodes any video you throw at it for playback on the phone
- Facebook - useless if you aren't into Facebook, but a good example of app design
- Starmap - a beautiful star finder app
- iSSH - a well thought out ssh client that actually comes in handy occasionally
- Line Art and Little Uzu - pointless but beautiful
- Flight Control - the perfect example of a game that just wouldn't work without a touch UI