Hi, I'm trying to upgrade my duo jet. It's got a space control bridge, would a Melita syncrosonic bridge be better? How do I tell what pots are in it? I'd love to get the best but I'm not sure exactly what ones work for dynasonic pickups. Tuners - what tuners are good? There are unbranded ones on it - they aren't open back but they have covers and there are lines on them. Just want to get it up and running well. Thanks!