* iOS 3.2 support! (any iOS from 3.2 to 4.2) 
 * Revolutionary cross-platform play, using GameSpy! GameSpy supports Private Matches, Game Naming, Game Browsing, and an array of search filters. 
 * Familiars/Pets! 
 * Major stability & performance improvements, and new performance-tweaking User Options! 
 * New Missions for the ultimate Heroes 
 * Raised Max Item level to 15, and Max Hero Level to 70 
 * INSANE Difficulty is much, much harder (and so is HARD)... good luck! 
 * Rebalanced item drops to make super items harder to get 
 * Fixed some leveling & item farming exploits 
 * GameCenter support for private matches, and fixes for Inviting 
 * Better voice chat stability 
 * Various new item drop types 
 * Items now have a level requirement based on their quality, and also tell you which class is necessary to use them in the popup overlay 
 * Big performance boost due to media optimization, and some code optimization 
 * Various gameplay tweaks for a better balance 
 * New Tutorial video explains the game in a minute 
 * Rebalanced item value ramp so that super-items don't sell for ridiculous amounts 
 * Lots of minor bug fixes and game tweaks too numerous to list here... (among the many, Targeting Dummies now print DPS as you're attacking them :)