Sweet, thanks for making this free! I actually have a bug report for you, though! ;)

To recreate:

- Add new folder

- In the new folder, add a new idea

- Select the idea to bring up the the data input view

- Make the text field become first responder

- Select the Recent History button to view Data Points

- Hit close

- App crashes

Tested on my iPhone 4/iOS 4.2.1