Congrats on getting through it, and best of luck this week. We've gone to several of these types of events and believe me blank stares, missing internet and booths hidden behind fuzzy monstrosities are more typical than you would like.
I was rolling - sorry - ready about your experience getting to the venue. It's a bummer you didn't get more cards (I make a point to insist) but people will remember meeting you so now you just need to give them a reason to (which I know playing CC will).
Good luck with Chet, see if you can't also beg Mike Durand to mention you on Steam news.
Tenacity always pays off.