B&H Photo Video offers the Lowepro Transit Sling 150 AW Camera Bag
in Slate Grey, model no. LP36619, for $34.99
with free shipping
. That's the lowest total price we could find by $23. Features include space for a DSLR with a 70-200mm lens attached, a compartment for 10" tablets, adjustable straps, and hideaway tripod mount.