I use my kid's favorite website, nick.com, as a benchmark for any browser. It has TONS of animation, flash, who-knows what else. Firefox runs the animation and Flash faster, but, it doesn't load the whole page. The background and a couple of other things are missing. Safari displays all the page with the background, but runs like molasses, with the rare freeze-up. I occasionally use Wyzo, and it has the same problems as Safari with this page. My browser of choice, Camino, also runs the animation slowly but it does load the entire page. Verdict: Camino for everyday use. Has been for over a year now.
Firefox 3 Kills Safari