[Projects 2.0] :shall we have task notes and sub-tasks ?

[Projects 2.0] :shall we have task notes and sub-tasks ?

shall we have task notes and sub-tasks ?

RemeberTheMilk(www.rememberthemilk.com) have a feature that can add notes for tasks.
It's very useful for me ~

I think sub-task can split task to more clearly steps. that's useful for project management ~

FXCarl