It sounds like it's mostly a compromise to push back the release so they have a little more time without moving it a whole year back.
If they come anywhere close to the originals (i.e. don't suck as much ass as the prequels) the release date means nothing.
4/11 Fear FestEvil w/ High on Fire
4/17 Electric Fucking Wizard
4/28 Mastodong/Clutch/Big Biz