BG leveling is quite fast below level 85 if you are queued for the random or call to arms BG. Plus, the honor gets you useful gear (including JP gear).
---------- Post added 2013-05-04 at 03:08 PM ----------
It was explained why PvP power was nerfed. The first part of the gear change was converting all PvP Resilience to PvP Power. The resulting almost-doubled PvP Power was excessive. In other words it was nerfed because it was horribly broken otherwise.