1996-2003 reflashed pcms: $125 shipped each.
(Fueling, timing, transmission tables, and more revamped)
2006-2007 Grand Prix L32 performance pcm: $235 shipped.
With updated VIN# in the pcm, at no additional charge. (Fuel gauge will operate correctly.)
Location: St. Cloud, MN
Found an 2004-2005, as well.