THE SEX LIVES OF SUPERHEROES: Meryl Yourish started a fascinating round of discussion regarding the...desirability of different superheroes. (Here's Rounds 2 and 3.)
I'm surprised she didn't discuss my namesake.
The blogger formerly known as Sgt. Stryker rated the heroines. I was a Jean Grey guy myself (no Silk Spectre jokes).
Finally, check out this classic Larry Niven piece about how the world would end if Superman ever had sex, and many other issues which have no doubt kept you all up at night.