There are tons of webpages these days recommending you add these rules to your content to make it hardware accelerated:
transform: translate3d(0,0,0); -webki
For more on the webkit approach, Ariya Hidayat (webkit reviewer) wrote a pretty good introductory blog post on hardware acceleration and webkit for our blog. Enjoy.
[The punchline is that HW acceleration can chew up lots of memory, so be judicious.]