Just got this today. I opted for the "commuter bag" since I only need to carry wallet, keys, phone, and a bottle of water. Cam phone pics suck but gives you a general idea of the bag.
Pros: hand-made in the US, very good quality, locking mechanism, prevents scratches on tank...doesn't use straps or magnets, can unzip bag within seconds and take it off the bike, gas cap is still easily accessible, and tank ring is heavy-duty to support quite a bit of weight.
Cons: waterproof material optional for additional $20 USD(fugly anyways), EXPENSIVE($159.95 USD and up), took 1 month to get it from date of internet order, sticks out a bit into my gut(incentive to get rid of my old-man gut I suppose)