yes, I have something back-asswards here, trying to figure it out. no offense intended. host computer specs should not have much to do with it? switched in an old amd laptop to host the BE's and a BFL jalapeno.
I've nearly 40GH being hosted by a TPLink WDR-3600 router running OpenWRT with bfgminer 3.4.0. It's using less than 5W of power, and it's totally stable. You don't need ANY computing power really.
Heck, I used to run 30GH though a TPLink 703N micro-router, which was running off the same USB hub as all the miners were. Stopped using it as the flash memory was too small, so had to run the OS off a USB stick, which was a little dodgy.