TDF Tracker v1.5.1 is available in the App Store!  Here is a list of some of the changes:

• New: Ability to print Reports on devices with iOS 4.2 or higher 
• New: Support for TextExpander in notes 
•  iPad: Changes to Popovers so they fit better on the screen in landscape view with the keyboards showing 
• Bug Fix: MobileMe usernames that include @me.com (or @mac.com) in the settings will now work 
• Bug Fix: Some changes to prevent a rare crash on Startup involving the Region Format 
• Bug Fix: Fix for restoring DB from email backup while the app is already running 
• Other: Minor UI Changes

TDF Tracker v1.5 also included the following

• New: Universal App - now runs natively on the iPad!
• New: Updated Icon/Images for the iPhone 4 Retina Display
• New: Devices running iOS 3.2 and above can restore database from email backups
• New: iOS 4 compatibility enhancements