For the moment I'm planning on attending - it happens this date is my wedding anniversary (28th), so I won't be able to stay all day. For Matt and the others interested, I'll be bringing a Bottlehead Crack with speedball that I built in December 2011. I'm not a high zoot tube guy, aside from what Bottlehead sent me (a GE 12au7, and Westinghouse 6080) my other tubes are newish Tesla/JJ and Electo-Harmonix and Sovitek Russian tubes, all of which sound so similar to each other I can't make a pick between them. I usually run the Russian tubes because they are dead silent. The older GE and 6080 buzz and hum until they've been on for an hour. I feed it with an ODAC.
I've also got an Audio-gd Fun (remember those? FOTM!), with the Wolfson 8471 DAC.
Phones: HD-650 for the Bottlehead, Alessandro MS1's, Sennheiser Momentum, Grado 60's.
Ron