We were originally somewhat skeptical when we first heard about iBackFlip Studios' iBackFlip Original for iPad + iPad 2 ($70), but the final shipping product actually turned out to be a pretty nice-looking accessory. To call it a backpack isn't quite accurate, though that term helps to explain what it's doing. The bag's strap sits over your shoulder and across your chest, resting an iPad carrier on your back when not in use. This carrier can be swung…