I've recently listened again to the mars volta's last epic, Frances the mute and it has again arised my fretless gas!!!Juan rocks the party with his old fender P with epoxy fretless neck Plus, a great electric cello player which uses his cello as a double bass and an electric guitar( with samplers going around) Still, i'm a kind of MM fan although I dont have one, And I'd like to know your input about a fretless lined sterling and my project of having the neck of it custom epoxyed by thor guitar lab, is it worth it?? is the sterling a good fretless bass??? which strings???? I love the grungy tone Juan has on the album with his P bass but I know he also has a quite overdriven sound comming from his ampegs/compressors and several OD pedals my key tone would be the one he has on cassandra gemini/tarantism, etc the little OD'ed fretless bass tone any info would be great!!! and oh, fretless owners, show your fretlesses especially if they're sterlings!!!