Missing 3 center caps and decals is bad, likely cost you $100 just to replace them.
Rim repair is going to be like $150+2 way shipping.
I had a place fix one of mine (of the same rims you are looking at) and make it worse, in fact make the rim worthless.
Tires still good is a little vague of a description, but if they land up being mediocre you lose yet more money.
The set footfan is talking about look to be mint. If you are serious about your saleen and you desire those rims they would be the way to go.
Although they are fairly expensive, i'd say $1200 would be a better price, then again, he may have you by the balls.
I sold a set of those rims that were in fair condition.
They were unpainted (i stripped them). There were 2 deep dish rears (one moderately damaged) both 8.5 wide, one 8.5 rear that was not deep, and 2 fronts. I would of rated them a 6 out of 10. Had all center caps with decals on them. Sold them for around $500.