I've been to the previous year's event, and it was well done. I'll definitely try to make it this year as well. From the press release:
Vintage Computer Festival East 5.0 - Saturday, Sept. 13th and Sunday, Sept. 14th, InfoAge Science Center, Wall Township, New Jersey.
The 5th annual Vintage Computer Festival East will be held on Saturday, September 13th and Sunday, September 14th, at the InfoAge Learning Center at Wall Township, New Jersey. The event is sponsored by MARCH and VintageTech.
The exact daily schedule will be announced shortly. Admission is $15 for two days, $10 for one day. Free for ages 17 and younger. Parking is free. For more information http://www.vintage.org .