Yeh, try turning off AA.
I use a radeon 9800 XT, and any time I try and use AA on this demo, it gives scrambled graphics. Turned it off, and works like a charm, every other setting to max. I'm sure they'll fix it by release...
Oh PF was right, this game looks very promising.
<font color=blue> "Speech is silver. Silence is Golden." - Anonymous German Proverb </font color=blue>