How many improvements can be made to the common prybar? Well, the GripBar, I think, adds a major one: the knuckle guard. Along with all the features you expect from a prybar — a curved shape for extra leverage and a U-shaped channel for nail removal — you can flip the prybar over and pound nails with the built-in hammer head.
For me, though, the clincher is the padded handle/knuckle guard — because grazed or bruised knuckles, even with gloves, come with the territory of demolition. The 18″ GripBar weighs in at 2-1/2 lbs., and you can get it at the Duluth Trading Company for $20.