I just released the X-Wing Vassal module 5.1.0, it's now possible to play epic mode with the new Huge Ships. Some rebel aces and wave 5 spoiled cards are now also in.
changes: http://teamcovenant.com/mu0n/2014/07/02/vassal-x-wing-module-v5-1-0-the-epic-mode-update/
download: http://www.vassalengine.org/wiki/Module:Star_Wars:_X-Wing_Miniatures_Game