I have the Gibson on my POS 93 Ranger 3.0L V6. It was under $200 and I bolted it on myself. The quality is good, 2 1/2 inch piping, sounds mean, and comes with a nice chrome tip. The one thing about the gibson is that it clamps together the piping instead of bolting it together.
Personally I would still go with the TRD exhuast, that is if money is not a consideration. A stainless steel exhaust will never rust, one less thing to worry about. I also think the quality of the welds on the TRD exhuast are very nice.