I've ridden all the usual skis... the least common ski I have ridden was a PJS Viper
ridden dangerboy's fx-1 with a 144 pump... it was really really choppy during the ride but could tell the differences between it and a stock pump fx-1.
550, 550sx, 650sx, 750sx, 750sxi, 800sxr
SN 650, SN 701...