I set `export UNITY_LOW_GFX_MODE=1` in my `~/.xprofile` and it no longer has any effect in 13.04. Is there a way to disable all the eye candy? I'm running in VirtualBox and the Unity 3D mode with all the visual effects is overwhelming for the VM. Unity works and is usable, it's just very slow to render, so I'd rather have it off (is this 2D mode?).