A couple more random tidbits:
The guys from Russian Circles seem like total reclusive types to me, but not necessarily dicks. I think they're just uber shy and / or humble.
I was hoping to get to meet somebody from Isis and / or Red Sparowes at the (two different) shows that they have played at the Grog Shop in Cleveland (a venue that's so small that you almost can't help but meet the band members at some point), but no dice. That doesn't necessarily mean anything, but I did get the impression that some of those dudes are pretty introspective and not into meeting huge groups of fans all the time. Just an impression on my part, though.
My brother got the Pig Destroyer set list signed by frontman J.R. Hayes at MDF VII in 2009. He seemed like a pretty all right guy (J.R., not my brother - he's a dick