You get the same points at 0 that you do at 1500. Deadly gear requires no rating, and furious set gear requires fairly low rating. You can also turn in a week's worth of arena points (344) for 3.44 honor tokens worth 2k honor each - if for some reason you already have all the set gear. You don't even have to join the arena queue when it pops to get credit, just join and let it timeout (if you don't want to provide entertainment to the other team).