I'm there as well:
http://legendsofzork.com/heroes/295-nukehavocI mucked about with it about two weeks ago. It's a fun diversion, but disappointingly un-Zork-like in many ways.
Further thoughts over on Nuketown.
One thing that's changed since I wrote this is that they added the ability to actually *find* people, which is really something you want to have in a social dungeoncrawl. I wish they were doing more with the "quest" mechanic; you can join a group and then go off and kill stuff, but it's all random, with no player input (I'd settle for a simple voting process about whether to go left or right, attack or flee).
I'm enjoying Tiny Adventures in Facebook more (
http://apps.facebook.com/tinyadventures/)