>I'd probably try and keep it simple and mechanical if at all
>possible, but if not I might consider something hydraulic.
>Small hydraulic cylinders are dirt cheap and routing of hydraulic
>lines is easy, since they can be bent all over the place with out
>causing any problems like cables would.
>It also gives control over how much "throw" at the front it takes
>to move the shift levers by sizing the area ratios of master and
>slave cylinders.

Hydraulics would possibly work if operated by the normal shifter
unit. Or if they incorporated solenoids...