I'll be there from Wed night through Saturday. There are attendee lists on the BMW CCA site along with car types. Lots of M3's in attendance.
I'm doing car control, autox and the DE in that order. Should be fun!
Current: SBM X5d, SPEC E46 racecar, Black FJ Cruiser, 1970 240Z
Former: '11 MCB E90 M3, 2011 Lotus Exige, 2003 350Z, 2002 WRX, 1996 Supra turbo, 1984 320i, 1987 E28 M5