I travel a lot to various areas of the USofA, so here is my important list:
1.Swype-Able to text at the speed of light
2.Google Maps-never lost
3.Flixster-when you just need to go to a movie
4.Shazam-when you have to know the name of that song
5.eBuddy-great for keeping in touch with AIM, Facebook, MSN, etc friends
6.Handcent-like the customizable aspect of this text program
7.Aloqa-when you want to know where to eat, shop, party, or sleep when on the road
8.Google Translator-Translating between you and the rest of the world
9.ShopSavy-when you have to know how much something costs and price comparison
10.PDAnet-when there is no free wifi to be found for your computer