Call of Duty Black Ops Map Pack: Array Review

Array is one of the larger maps on the game.  Depending on my teams spawn point I take one of two strategies. (I play almost all my matches on team deathmatch)

1. If my team starts on the 'top' (the red circle) of the map  near the crane (A) in the open field, behind the giant satellite dish you can get on then I  usually being the match by sniping.  (The arrow coming from number one points to the spot I usually snipe from) Ill back up to the rock wall and remain in the shadows and look down on the right side past the Jeep and watch for opponents running up there.(#3, rectangular box)  I do this because almost instantly there is a firefight on that right side of the