The trek scratch air has 7 inches of rear travel, an its a trail bike. Its the only one I know of. I don't think your going to find many 7 inch trail bikes though. Most seem to be 6.
2012 Kona Entourage! shorter stays, 170mm fork with fox Van R rear shock. big mountain, downhill, freestyle type of bike. Pretty legit bike. The price dropped to 2k since the 13's will be out in a week for Kona