You say you don't mind what connector you use really,
Have you considered USB? the male and female parts are normally about the same price.
http://www.ebay.com/itm/100pcs-USB-Type-A-4Pin-90-DIP-Male-Panel-Mount-Connector-HW-UAM-05-/170792672023?pt=LH_DefaultDomain_0&hash=item27c4095b17
http://www.ebay.com/itm/100pcs-USB-Type-A-4Pin-90-DIP-Female-Connector-HW-UAF-05-/170792775707?pt=LH_DefaultDomain_0&hash=item27c40af01b
Its a bit more work though as the cheap ones are for PCB mounting really... but they have pins for soldering.
Or do you require locking connectors?
Dean