Now that I've given the time to listen to both of these in full and digest them a bit I'm going with Vektor hands down. I feel like Outer Isolation is Vektor firing on all cylinders while Revocation has an album even better than Chaos of Forms in them that we've yet to see.
5/2 - Ogrefest
5/8 - Master / Solstice ?
5/18 - PHF / Shit Life / Girth
5/19 - Primitive Man / GutRot ?
6/17 - SOAD / Melvins