Stopped by "Somethin Extra Cycles" (Forest City, FL) today and had both bikes re-dyno'd. In the end my stock copper 1999 has 155rwhp (Yosh setting: +5L +5M -5H) and my wife's red 2000, 153 rwhp (no-remap).
Dyno sheets available at the "ORLBusas" section on my PhotoPoint account...