Neo or Ron are the two that I have had work done by, and I would suggest both of them...

However, you may want to look at the playfield and see if there is any damage or potential damage that you think it needs a clearcoat for. With an NOS playfield, if you wax it regularly you shouldn't have any issues. Also, some collectors would rather have a non-cleared playfield if you ever go for resale.

Depending on how blown out your other playfield is, you could also send it out to be cleared. That's like the best of both worlds.

Having said all that, I've cleared a few different playfields, and I love it personally. I have a cleared Mr & Ms Pac-Man and I think it really looks amazing, so it works really well on old games. If you want to do it, Neo does amazing work and so does Ron