I’ve had commenting only by TypeKey registration on for a while now, and it seems to discourage most (read: all) commenters (I guess my ramblings are not as compelling as Wil Wheaton’s). I’ve turned that off now, and unregistered commenters are now allowed.
It’s a "rock and a hard place" thing, I guess. I know I’ll get hammered with comment spam, but at least people might comment now. Hopefully MT-Blacklist and SpamLookup will kill most of the badness…
time to comment then….but….i dunno what to say :)