i've done a couple of them, and i can tell you from experiance that it is going to look like shit if the engine bay paint is not in good shape.
ie:

completely tucked. BUT that car was done w/ a stock harness so trouble shooting wasn't a problem at all. The car has no heater core so i ran the main harness thru the hole in the fire wall and the rest of the wires thru the fender wells.... I will be done with my crx soon and ill post some pics.
As far as someone around here that i would Pay to do wire tucks.......there isnt anyone. The only person that i know of that is really good ( like OEM good ) at wiring is Neil sutton, but i dont think he does wire tucks.