Sigh.  This isn't even worth a full writeup.  I guess in the morning see Balmorhea and Bear in Heaven?  I got bored just typing that.  Later definitely hit up Local Natives and LCD Soundsystem which are the closest things to expert picks today.  Dodge The XX, their album is good but I have heard nothing but awful things about their snoozefest of a live show. 

M.I.A. vs Muse?  They both released garbage for their last album, so both sets could easily be awful.  If you love Twilight, go for Muse, if you love silly political statements and Diplo, M.I.A.