Nuno's tone changed radically from album to album. I going to recommend something off-the-wall, but I think it'll fit all the permutations of Nuno's tone:
RIFF RAFF. It will cover the early, wah wah'd brittle, over-the-top tone ... it will cover the big-production tone of Pornographiti and III, and it'll handle the Weezer-like tone of Punchline and his new post-Extreme tone.
My experience with the Abraxis is pretty limited, so I can't say for sure whether it'll work or not, but I certainly respect Steve's ears & chops.