b) For those who didn't sign up for mailings or whatever, apparently the next DLC is coming out "this holiday season" and will involve returning to Ostagar.
c) Also if y'all wanted the rockish song on the end credit, they're offering a free download of it til the 8th, to promote the band's upcoming album or whatever. Clicky here if you want it. It involves putting in your email and some info, though.