However, after updating from version 1.3, which was working fine for me, I've run into a problem with 1.4 and 1.5. Allow my screenshots to illustrate the problem (Keep in mind that I'm standing completely still when taking these):
http://steamcommunity.com/profiles/76561197961648101/screenshot/594680945387640379?tab=public
Specs:
Core i7 920 @ 2.66GHz
4870X2 w/ Crossfire disabled (Due to flickering problem)
OS: Vista 64bit
Thanks again!