Up front: Bilstein 6112's with Total Chaos upper control arms.
Rear: Toytec shock with OME 2864 or 2868. (2868 if you have a lot of weight like I do with the RTT and fam).
Have been told that just about any Tundra front end will fit the 2nd gen.
Dobinson and Toytec are the only ones who makes a rear kit for the 2nd gen.