What are some great applications for my iPhone?

WordBreaker (word game)
Bejeweled (game)
Google Reader (RSS reader)
OneTrip (shopping list)
Ta-Da Lists (to-do lists)
Movies.app (movie showtimes and more)
Meebo (chat client)
FlickIM (AIM chat)
iPhone Sports (sports scores)
Rock Me (hold it up at a concert)
and of course...
Fluther!

add iRovr to that list: http://www.irovr.com/
and BeeJive: http://www.beejive.com/

applists.com is a good interface that lets u link to many iPhone apps-and constantly beong added to.

Lights Off – the first native iPhone game – was just released by Lucas Newman and Adam Betts. Since it's a native application, you will need to download the package and install it using jailbreak. (Instructions can be found on the site.)

www.getleaflets.com – This website has a numorous amount of iPhone compatable web apps. This website has a really nice interface and makes it easy for to find exactly what you are looking for by keeping everything separated into categories. You can even create an account so that when you find web apps that you really like, you can add them as favorites so you won’t have to go looking for them again. This is just some of many features this website has to offer!