Huntsmans Lodge has started a beast mastry hunter PvP guide. Part one (glyphs and talents) is up now.
http://huntsmanslodge.com/5318/bm-pvp-guide-talents-and-glyphs.htm
Part two (pets)
http://huntsmanslodge.com/5459/bm-pvp-guide-pets.htm
Part three (shot priorities)
http://huntsmanslodge.com/5479/bm-pvp-guide-part-3-shot-priority.htm
UDPATE: A guide to the best PvP hunter pets as of Patch 3.3.3
http://huntsmanslodge.com/hunter-pvp-pets
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