Working pretty great for me on my Ubuntu+AMD desktop. Laptop is a clusterfuck of drivers though, Linux switchable graphics support sucks :( Edit: Though I have

Working pretty great for me on my Ubuntu+AMD desktop. Laptop is a clusterfuck of drivers though, Linux switchable graphics support sucks :( Edit: Though I haven't tried anything too fancy yet, just FTL and Bastion. So maybe 3D gaming might not be as good as Windows but that's mostly fine for me for now. I'm fine booting into Windows to get my Starcraft 2 fix.