B&H has the Lowepro Pro Roller Lite 150AW camera bag for $149.95 (reg. $279.95). This bag will hold up to 2 DSLRs or 1 pro DSLR with a 70-200mm f/2.8 lens attached and 3-4 more lenses, a speedlight and several other accessories. It also has a pocket for an 11″ laptop or tablet. It includes an all weather cover and meets carry-on baggage requirements. Check it out here at B&H Photo.