Don't forget there are plenty of options to explore that don't require a power cord

http://boardgamegeek.com/boardgame/7...green-crescent
http://www.victorypointgames.com/fleets-2025.html
http://compassgames.com/show/product...ing_the_chains

and keep an eye out here for others as they're published
http://modernwarmagazine.com/