FYI, the Impexfest is sponsored by WorldImpex, a VW and Audi parts supplier. They are located in Cockeysville, just north of Baltimore, MD. They are good VW folks, with an emphasis on TDIs.
Check
http://forums.tdiclub.com/showthread.php?t=171049 for more info.
WorldImpex web site:
http://www.worldimpex.com/
I have no affiliation with WorldImpex. Just passing the info along.
Maybe see ya there.