I updated my drivers from 3.26 to 3.27 restarted and loaded up my project in Live 8.2.7. I noticed a definite contraction in the stereo field and a general lack of fidelity. I uninstalled 3.27 drivers and installed 3.26 and everything was back to normal.

I wanted to mention this because I am running a new machine:
- Asus P8Z68-V PRO with 1101 bios
- Gigabyte Radeon 5770 Silent Cell 1GB
- Intel Core i7 2600K
- G.Skill Ripjaws X F3-17000CL9D-8GBXLD (2x4GB) DDR3
- OCZ Vertex 3 120GB SSD Max IOPS
- Seasonic X-650 80Plus Gold 650W

Hope this helps.

Enis