I might be fucked up on cold medicine too but I'm pretty sure you're talking about the acorn accelerating GPUs via USB? My first task is to get it solo mining via USB since it won't need 4 pci lanes to take full advantage of it.
cold medicine ftw!
possibly accelerating a gpu. depends on the acorn to gpu bandwidth i get on my machines. always nice to have options in case i want to offload some bandwidth to the other side of the pch.
solo mining needs far less, i think one lane or just usb 3 (maybe 2) would do for solo, at least for the solo zp miner we currently have.