Purchase StationCash in-game, via your Station Account, or redeem an SOE Pre-Paid Game Card at http://www.soe.com/gamecards/ (between 12:01am PDT Sept 2, 2011 and 11:59pm PDT September 5, 2011) to get Double StationCash. EverQuest II players also get Double XP during this weekend.
Purchases made via SMS are excluded from the promotion.