I was just curious, so I tried the Acid 2 test, which tests if the browser can render standards compliant HTML. And Opera 9.5 passed without a hitch. It would be interesting to see if IE7 does - last time I heard it still has trouble.
Here's the link if anyone wants to give it a go: https://www.webstandards.org/action/acid2/
C. P. U. Its not a big processor... Its a series of pipes!