Jeff Atwood has posted that he uses the following view as a basis for deciding which features to implement. I suggest adding this as one of the available view tabs on meta.
Just putting an answer on this(so you can accept it) that there is now tabs for "bugs" and "reqs"(which is feature-requests) with these views..
This is probably the view that Jeff meant to post: https://meta.stackexchange.com/questions/tagged?tagnames=feature-request+-status-declined+-status-deferred+-status-completed+-status-bydesign&sort=votes
This one for questions tagged bug would also be interesting:
although you might want to also exclude status-norepro.