It seems like they’re trying some graphical upgrades which will change the game requirements on PC. Is that person shown in the picture a new playable race or no? Also the game was announced for Xbox consoles, too - expect many people to join for the first time.
The big thing to me are the two dye channels per item. The current setup has been entirely too restrictive when it came to making really cool character setups, and it was the one really big thing I was still missing since I swapped over from Guild Wars 2.