So I know asking for input on basic storyline ideas on the web is pretty dumb.

However, I have a very hard time telling potentially interesting plot/story ideas from the rest of the random crap that my brain continually spews forth when I'm not actively working. 

So, my esteemed writer-peoples, where do you find your most constructive feedback comes when trying out the quality of basic storyline and plot ideas?

I feel embarrassed to talk about my ideas with my friends.  In the meantime I've been bouncing off my husband, and while he's generally pretty sound-minded, I have a feeling that his responses are a little tainted by the thought that if he doesn't say he likes my ideas, I may bash him with a frying pan for lack of spousal support.   

Links appreciated, actual groups of people also appreciated, general advice also totally welcome.