Vito Technology has released Task2Gather for the iPhone and this could be one solution which suits my needs perfectly- expect a review very soon.

“VITO Technology releases the new 2.0 version of Task2Gather for iPhone a major upgrade with great features added. Task2Gather now has instant access to all your tasks online and offline. With the free desktop client available, all functions get synchronized on the web  and on the iPhone. The new version also has a new look&feel to it  that always help.

Task2Gather for iPhone is a unique and powerful todo application that allows full collaboration on the go. With the offline mode this app will become even more irreplaceable as you can apply any changes without requiring internet connection.

Task2Gather integrates with Windows Mobile Devices and the web interface. This allows you to share tasks and manage projects also with those people who might not have an iPhone but a Windows Mobile device or are sitting in the office or at home in front of their computer and make sure that they stay on top of things with you. Please also note that all web support is free and guaranteed for you.

The new look&feel of Task2Gather is going to be another surprise for our users. New nicely designed Task2Gather will give you the feeling of old magic book that will make all your things done.

Key features:
•    Gather tasks in one place and share them with your family, friends and colleagues
•    Free Web version – all tasks available everywhere at any time (www.task2gather.com)
•    Automatic sync with web server – you will never miss your todo
•    Organize tasks and subtasks
•    Assign filter and tags
•    Ability to collaborate with WM users
•    Discuss each task in the comments area

Task2Gather supports English, German, French, Italian, Japanese, and Russian. It is available for $2.99 at the appstore. “