Well since you're not footing the bill, you won't be out any extra cash if it gets nicked. He's pretty not-local for you, but I'll put in a plug for Mr. Mike Flanigan of ANT bikes who loves fixed gears (his favorite all rounder is his fixed light roadster).

His bikes are for people who do practical things with them. He's got a bunch of standard makes, but he also told me he's very happy to work with a customer/client to build a custom geometry.