If the motors are steppers, you can add GOTO later with an AstroEQ controller and a laptop running EQMOD. This isn't as neat and tidy as a hand controller, but functions the same. It also has autoguiding.
http://www.astroeq.co.uk/about.php
Will work with any EQ mount with steppers, not just the Skywatcher mounts.
Approx. $150 plus freight for an assembled and tested unit, or you can DIY.