Haven't had a custom-built though I'm now building up a Surly Disc Trucker frame that Bilenky put S & S couplers on & repainted. East Coast doesn't seem to have many custom builders, Bilenky was closest one to DC. They seem like nice folks who spend the time to explain things plus they do all different sorts of bikes. If I had the $$ I'd get a custom steel or titanium frame with techno goodies like Rolhoff/Gates & disc brakes. Not ever having to clean chains seems sweet. Well anyway Bilenky is so close to you, that would obviate having to travel long distance for fitting & consultations & having to get the bike shipped.