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I just finished building my own. It's a brush guard style that retains the stock bumper. Very simple and easy to build. I will try to get some pictures of it and how I made the frame connections.
The cheapest ones I could find commercially cost $500, and were the brush guard type. Warn, Ramsey and Mile Marker make them. The best ones are the full replacement bumpers, but they are expensive (over $800) and weigh a lot more.