OF COURSE! MOAR RACEZ FTW!!!
Lol, seriously though, one of the biggest changes is its going to be a persistent world. Meaning you wont get your own private copy of the game every time you leave a town or outpost, their will be other people there. Another big thing is the ability to jump...and while that may sound somewhat funny, anyone who has played GW can realize how annoying it was at times not being able to jump.
ANND their still sticking with their "anti-grind" philosophy, although I still hope they raise the level cap to around 50 or so.
I personally am glad they are adding more races, don't see anything wrong with giving people more options. Plus it lessens the chance of running into someone that looks exactly like you
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(Human, Charr, Sylvari, Asura, & Norn)