Hmm... I've been watching Zetsubou-sensei lately (I know, slowpoke). I do think it's an interesting show, but after ten episodes, it's starting to blur. The problem with really weird shows is that it becomes harder and harder to top yourself. Gurren Lagann did a good job with this simply because the things the Gurren-dan blew up got bigger and more silly over time until it reached the point where it was impossible to apply any kind of logic to the situation. You had to either stop watching or just accept that on this show, giant robots get into laser showdowns with the moon.

With Zetsubou-sensei, after the cast is all introduced, they kind of maintain the same level of weirdness and go no further. So eventually, everyone just kind of freezes in place as a character and every joke is a running joke you've heard about ten times or so. Since there's nothing much going for this show other than weirdness (unless you're into loli), the humor just kind of falls off a cliff after a while.

So, the next couple things I gotta watch (as per recommendations):
Dennou Coil
Gayseball (I am ashamed to say I don't remember Gayseball's actual name)
Guyver: The Bio-Boosted Armor -- Do I like bio-suits? I don't know, but after seeing some shots of the main character of this game called Dark Sector, I suddenly developed a need to see some guys encased in bio-armor.

I'm sure there's something I'm forgetting here. I'm so out of touch, I haven't been watching much anime at all recently :<