Something I've been underestimating...

10 man purifier squads.  10 purifiers- 2 incineraters, 2 psy cannons, 4 halberds, 2 hammers.  This unit can handle anything without much trouble.  It's truely fantastic.  It can shoot from inside a rhino early game, it can incinerate and bolter away most things up close.  And in combat it will wreck house.  Clocking in at a little over 300, I don't know if its worth it until ard boyz point values, but it's a phenominal unit.