Your mods listed sounds good so far, ported exhaust manifolds would compliment everything listed very well, as for your TPS, instead of paying for the adjustable, ours already are, you just need to drill it open. Info for TPS modification is here: http://www.geocities.com/carnutguy/c...hancement.html
Correct me if I am wrong, but I thought KR was only worried about in SC'd motors?
I think if you took your time and did it all right probably a couple good afternoons to get everything done nicely.
You may have to send your PCM out, so that may cause more downtime. someone else will know that better here.