I left the power connector to keep open the option of a regular power source. That board has been running back-powered for over a year, and was my web server until lately.
This is an earlier picture of it being hardwired before I switched to header pins
It now has pins and is still in that vesa mount with the hub. For the 512MB boards I just built a short A male to B mini cable and the hub is in its case.
The web server is now 110V, well sort of! I moved the power supply into a case with the 512MB board. and ran a 110V cord into the case. The cord has a Leviton switch inline so I can turn the power to the server off when I need to.
I will be getting a new projects case and next will be the PSU, the hub and the RasPi inside. The 512MB does not have a pin header at this time. when the hub gets inside with it then it will probably be converted to the Dark Side (back-powered)