Welcome to T4R!
Searching works well.
http://www.toyota-4runner.org/3rd-gen-t4rs/66070-trd-tundra-fronts-vs-toytec-ultimate-cos.html
http://www.toyota-4runner.org/3rd-gen-t4rs/67797-another-3-lift-decision-problem.html
also read the suspension sticky
One issue is that Toytech is on back order for up to 4 weeks. I it worth the wait?