Tim Gunn, fashion guru, gives his opionion on a number of male and femaile superhero costumes.
Mister Miracle, looks like Christmas.
Black Canary in fishnets. Looks like a tramp.
Star Sapphire, modern look whorish.
Power Girl, if your a woman show your curves. She owns the looks.
Good and fun web series on comics and pop culutre.
Here is another of their vids detailing the history of the Green Hornet.