All the following are free apps. Great website to check for daily free apps is
FreeAppAlert - Free iPhone apps that were paid iPhone apps yesterday
Appbox lite: date calculator, level, tip calc, conversion
USA Today
NY Times
RotoWire, ESPN, Scoremobile, Fanball Fantasy news, Sporting news (can you tell i use this for my sports fix?
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MLB at Bat (not free, but best app I've ever bought by far)
Directv
Remote (can control itunes on computer from iphone through wifi)
google earth
Dictionary
Games:
Papertoss
WSOP Poker free
iBomber
Boxed in
TapDefense