I was looking at backpacks and found the Manfrotto D1 for 129.95. It is on back order (7 - 14 days) but for that price I'll wait a few days.
Manfrotto D1 Backpack for Quadcopter MB BP-D1 B&H Photo Video
Manfrotto D1 Backpack for Quadcopter MB BP-D1 B&H Photo Video