upgrades

Hi all, new to forum yesterday and have reviewed hundreds and hundreds of posts looking for my answers. Here is what I bought: 1997 SPX that I believe to be an old racing machine (I can see the faded racing decals and performance parts decals on the sides and hood). It has the following...

Just picked up a new ski a few days ago, was doing some searching looking to see if there is any upgrades that can or should be done on a ski like mine. Any ideas websites or suggestions? Help please!