Here's a list of upcoming game cons that I know of and/or interested in:
Unity Games - 1/29 - Woburn, MA - http://www.unitygames.org
TempleCon - 2/4 - 6 - Warwick, RI - http://www.templecon.org
Dreamation - 2/24 - 27 - Morristown, NJ - http://www.dexposure.com
PAX East - 3/11 - 13 - Boston, MA - http://www.paxsite.com/paxeast
ConnCon - 3/18 - 20 - Stamford, CT - http://www.conncon.com
MepaCon - 4/8 - 10 - Clarks Summit, PA - http://www.mepacon.com
Game Days - 5/5 - 8 - Timonium, MD - http://www.gamesclubofmd.org
PortConMaine - 6/23 - 26 - Portland, ME - http://www.portconmaine.com
Dexcon XIV - 7/6 - 10 - Morristown, NJ - http://www.dexposure.com
World Boardgaming Championship (WBC) - 8/1 - 7 - Lancaster PA -
http://www.boardgamers.org