I just bought a 1962 ES-330 (and am thrilled) and have a few questions I'm hoping you can help with: 1. The saddles are white plastic. Is that original? I've never seen (or at least noticed) plastic saddles before on a Gibson. They are in quite good condition. If they are replacements, does the group recommend replacing them with metal saddles? 2. The Kluson Deluxe tuners are very tight. Can these be oiled to aid in their movement? 3. Playing through my AC-30, the guitar hums a lot. When I hold the jack going into the guitar, it gets grounded at the hum drops out. I tried it with an alligator clip from the jack to my belt (thereby touching my body) and that dropped the hum too. Is there a way to "hard-wire" something to reduce hum or am I forced to stick with this type of fix? Thanks a lot.