I did a Tundra brake upgrade last weekend. I decided on the 199mm S13WE. I sourced an entire set up at a yard for next to nothing.
I took the near perfect rotors and calipers home and decided to clean them up. I decided that I didn't want to gamble with the calipers so I got a reman set off Amazon for $150 shipped to my door (Raybestos RC11039 and RC11040).
The surfaces of the rotors were great. I restored them with some POR-15
POR15, Inc. - Stop Rust Permanently - Repair Gas & Fuel Tanks
If you've never used it, this stuff is great. From consistency to application, it really couldn't be a better product.
The assembly was a complete bolt-on as you already know. Get the truck on some jack stands and swap-a-roo!
...and Finished!
These completely improved my braking and are a huge improvement with 33's. I've always felt my braking was less than perfect since I put bigger shoes on the rig. Now it feels much more solid!