I'll be at Philcon this weekend. My panel schedule is at the bottom of the page here.
If you're sitting at the convention and wondering where our other comic is, it's A Miracle of Science, which can also be found on this site.
a) I don't think Melissa is getting her security deposit back.
b) Those are of course the concrete spiders Liraz was messing with back around Page 174-ish. Though since they only have six legs I'm not sure "spiders" is accurate. Er, anyway.
c) Paul Compton wrote in to counter my casual denigration of Eastern Bloc automotive styling. One bit of evidence he pointed to was the Tatra T87. I will reluctantly admit it does have a certain weird charm.