Building an Arena Team
Durathor | 11 November, 2007V’Ming Chew has an interesting article on building an arena team at WoW-Insider.
He focuses on class composition, particularly examining the class representation of the most successful arena teams and also a breakdown of four traits needed to be competitive in arena: damage, heals, control and durability. In 2v2 particularly, durability is important (so Wise & I setting up a 2v2 mage / priest team might not be the best plan 
). He then examines the group compositions of 3v3 and 5v5 teams. Well worth a read for arena fans, especially as it has pretty pictures
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Looks like the Boomkin a/o Resto druid will finally prove more than it’s worth. I feel a respec for Pano coming up
The hardest ive met in the arenas so far was a resto druid and a resto shaman.
However Boomkin and resto is hard to work with in 2vs2. Restos with the new add of 1/3 dmg from bonus healing is now the ruler of the arenas for 2vs2 and 3vs3 leaving behind both ferals and balance.
Mage and priest is a good combination in paper but mages in arcane spec can be easily squished during the first few secs leaving the healer behind. If you wanna make it against melee ppl keep the healers shield up constantly.