You should find that lots of the bigger sports shops in ski towns will do this for you. Whether they can do it on the spot or not is another matter. Usually around 3-5000 yen or something like that.
You will find it makes a difference if you haven't sharpened up.
Read that chairman article as well - link is above...
I do both this season - depending on the mood I'm in. Those f**** bunny ears are fine on a babe, but those d***s with bear hats and stuff just get on my jits.