Heres something I've been looking at... Sometimes our view of a person changes, hopefully for the good...
As is, we can rate a user once, and can never change our rating... So what (hypothetically) if I rate say, Dave (:wavy:) a 5 cas I really liked him, but when I got to know him he became a douche and I wanted to kick him down to a 1...
In the current product, I can't make this (seemingly) simple change...
I think in the "View Profile" screen it state, "This user is rated a 5, you rated him a 4. Change rating?" with a link to change your rating (if you wanted)...