hey, welcome!! nice to see another one around.
Definitely buy a new oil pump (from toyota) and there's a few "mods" you can do there as well to help the oiling system. Also don't forget to have your timing cover machined with the block if you do a metal headgasket!! I've heard quite a few people forgetting that and having to go back to the shop a second time... if you need any help there's a lot of info available here and all the guys are good.
Also, I"m sure you already know but check out supraforums.com for anything you could possibly want to know! Don't buy parts before you check with us too, lots of deals to be had out there
