Included in Action Menu (free):

• Copy All sends the entire text in the current field, all the items in the selected table, or the entire text of the web view to the clipboard.
• Dial sends the number present in the field, web view or active table cell to the Phone application.
• Favorites presents a list of common phrases to paste into the current text field. List is customized via the Settings app.
• Scroll provides quick scroll to top and scroll to bottom buttons to make navigating tables and web pages quicker.

Included in Plus Pack ($2.99 for all six):

• History maintains a record of items that have been added to the clipboard for quick and easy pasting.
• Lookup integrates with Google Search, Wikipedia, Dictionary and Google Translate to provide quick info on the selected text.
• Tweet sends the selected text to your favourite Twitter client so you can get the word out.
• Locate pastes a link to your current GPS location on Google Maps.
• Find allows searching within a page in Safari, Twitter for iPhone and other standard web views.
• Send to Pastie uploads the selected text to pastie.org for easy sharing.

Other @rpetrich packages updated recently:

• HapticPro added support for iOS4.0 and iPhone4
• DisplayRecorder added support for iOS4.0, iPhone4 and iPad
• DisplayOut added support for all devices on iOS4.0 (and improved display quality on iPad)
• Activator added full support for iOS4.0 and Retina Display images