Works nice on my system.
Some micro laggs but that's okay.
System: Host: local Kernel: 3.19.0-15-generic x86_64 (64 bit)
Desktop: Unity 7.3.2 Distro: Ubuntu 15.04 vivid
CPU: Quad core Intel Core i7-2600 (-HT-MCP-) cache: 8192 KB
Graphics: Card: NVIDIA GM204 [GeForce GTX 970]
Display Server: X.Org 1.17.1 drivers: nvidia (unloaded: fbdev,vesa,nouveau)
Resolution: 1600x1200@60.0hz
GLX Renderer: GeForce GTX 970/PCIe/SSE2
GLX Version: 4.5.0 NVIDIA 346.59
The grapihc cards driver is not up to date. I use the stable NVIDIA driver.
Want to support this with buy the addons, but they are not supported yet...
