I had this kit for a while:
StopTech Stage Kit 01-08 Ranger
Worked great and I noticed a definite improvement. My brother also had the same kit on the 4x4 with 35inch tires and he noticed a nice improvement too compared to stock, and stock with Hawk pads. he wasn't too impressed with the Hawk pads.
Then i one upped myself and did the 13inch cobra brake swap: