I have the nates xj bumper, i'm very happy w/ it for the price. it does use/reinforce the steering box mounts and has taken a real beating, it's not the most elegant thing though, and is not very compact...unless you are lifted a few inches at least, it sticks out too much...though with 4 inches of lift and 33;'s it's no pfroblem. pm me if you want to come take a closer peek....oh yeah and nate is trustworthy and reliable....but slow to respiond to emails etc.
I also have his tj bumper....nothing special, but it was like $80 or something!