Price is the sign of the quality.
NAVIGON MobileNavigator North America – 44.99$
With the NAVIGON MobileNavigator you can transform your iPhone into a fully functional mobile navigation system that is every bit as good as the multi-award-winning personal navigation devices from NAVIGON in terms of its user-friendliness and features.
EFB – Charts and Weather for Aviation (FREE)
GlobalNavSource is excited to announce EFB (Electronic Flight Bag). This app supports paperless operations, and give pilots access to charts, plates, weather, and other data.
Honk – Park, Swipe to set Parking Meter Alarm and Find Your Car! – 0.99$
Honk is an App for iPhone and iPad that saves you from another parking ticket with a swipe of your finger. Honk helps find your way back to the car through its unique handwritten memo, photo, and automatic GPS functions. It also sports the minute-by-minute update of remaining time on the meter on its Icon badge.
AirLocation – 0.99$
Accessories & Apps: Beta Testers Wanted
iOS Firmware/IPSW Download Guide
Legacy iTunes Download Archive
App Store Top Charts
iPhone and Android Resale Value Charts
USA iPhone Carrier Plans Compared
Complete iPhone Jailbreaking Guide 
Complete iPhone Specification Matrix 
I can’t wait to see what the iphone app for City Maps is going to e like! You should really go check out the beta now so you can get a sense of what this thing can do. It combines social networking with a map application…too much awesome! I’m already in love with it.