You must both be tall guys. If you're not, I know somebody who would love to be given a PX10.

But seriously, you have one sweet bike. You have some nice replacement equipment as mentioned. The Campy shifters are much better than the plastic Simplex ones they may have replaced. I'm guessing that you now have an English threaded Phil hub based on the Suntour freewheel. It's not out of the realm of possibility, but not likely that it's French threaded.

Be aware that the bottom bracket will likely be French thread. That means both cups are right hand thread. Check Sheldon Brown's website for more info.

This is a very nice bike and deserves to be ridden. Try some 700x32 Panaracer Paselas for a reasonably priced, very comfortable ride. You might even get away with 35's and have yourself a bike that will be comfortable on the road or on gravel.

Jealous!