We are looking at Socialcast projects (having an evaluation of do.com underway). We use both Google Docs and Box.com - do you have any plans to integrate either of these services, particularly Google Docs?
In do.com you can add a google doc, wherever you would add file. This shows up as a link that opens the document in Google docs.
Thanks,
Geoff
p.s. Also, the task list is such a common destination - it seems a bit cumbersome to get to. I'd even advocate having another item in the main side bar for "Tasks" under the item for "Projects"