http://www.terminator427.com has a bunch of different packages for the H2. Although if I was to go that route I'd probably go with LPE as they are the more reputable of the two.
The one thing I don't understand on that site is they have the Magnusson SC package and it states the HP @ 400. That seems pretty low seeing as how stock is 325HP. I always thought with the SC, headers, exhaust, intake and programmer you'd be looking at closer to 500HP, at least at the crank.