Online Writing Workshop Communities That Actually Work?

Is there anywhere online where people exchange (preferably fictional) writing in “workshop” style, and where the criticism actually tends to have some value?

I’ve seen a few in the past but usually everyone is too fluffy and gentle with each other and no real critique gets done.

I’d imagine this forum would be as good a place as any.

Well…

I feel too much like I sort of know and am known by people here. There are people here I don’t want to embarrass myself in front of, you see.

Triggerstreet.

For science fiction/fantasy/horror, the answer is clear: Critters. As proof, here is the list of publications by member for last week:

Remember, this is for one week. There are, of course, many in the group (several hundred active), but as you can see, people are selling ficion.