TKM
Actually got the drivers for the GTX 970. Not everything works perfectly, but it's there now. Still have problems with booting and ACPI probe is still failing, I have to use nomodeset to correctly load Ubuntu.


GTX 970 test with drivers: 

	Processor: Intel Core i5-4690K @ 3.90GHz (4 Cores), Motherboard: Gigabyte H97M-D3H, Chipset: Intel 4th Gen Core DRAM, Memory: 8192MB, Disk: 3001GB Seagate ST3000DM001-1ER1, Graphics: Gigabyte NVIDIA GeForce GTX 970 4096MB, Audio: Intel Xeon E3-1200 v3/4th, Network: Realtek RTL8111/8168/8411

	OS: Ubuntu 14.04, Kernel: 3.19.0-42-generic (x86_64), Desktop: Unity 7.2.6, Display Server: X Server 1.17.1, Display Driver: nouveau 1.0.11, OpenGL: 4.3.0, Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1920x1080


OpenArena 0.8.8
Resolution: 1920 x 1080
Frames Per Second > Higher Is Better
GTX 970 test with drivers . 437.50 |===========================================


OpenArena 0.8.8
Resolution: 1920 x 1080 - Total Frame Time
Milliseconds < Lower Is Better
GTX 970 test with drivers . MIN: 1.0  AVG: 2.3  MAX: 6.0 


Unigine Valley 1.0
Resolution: 1920 x 1080 - Mode: Windowed
Frames Per Second > Higher Is Better
GTX 970 test with drivers . 53.52 |============================================


Unigine Valley 1.0
Resolution: 1920 x 1080 - Mode: Fullscreen
Frames Per Second > Higher Is Better
GTX 970 test with drivers . 48.60 |============================================


Xonotic 0.8
Resolution: 1920 x 1080 - Effects Quality: Ultimate
Frames Per Second > Higher Is Better
GTX 970 test with drivers . 228.13 |===========================================


GpuTest 0.7.0
Test: Plot3D - Resolution: 1920 x 1080 - Mode: Windowed
Points > Higher Is Better
GTX 970 test with drivers . 88939 |============================================


GpuTest 0.7.0
Test: Plot3D - Resolution: 1920 x 1080 - Mode: Fullscreen
Points > Higher Is Better
GTX 970 test with drivers . 91003 |============================================