There is a JavaScript speed test at http://www.24fun.com/downloadcenter/benchjs
KHTML must be the best written engine. It sure is the fastest.

The numbers are in seconds. Be aware that all except Safari run under Roseta.

VMWARE:
OmniWeb: 104.63
Camino: 35.29
Firefox: 36.64
Opera: 14.46
Safari 2.0 (412): 6.83

Native:
Opera on XP SP2: 5.86
Firefox on XP SP2: 6.55
IE 6 on XP SP2: 10.47

OS X rocks. I plan on buying it in January when the intel macs are comming out. I'll sell my Acer TravelMate 8104 and get an iBook or PowerBook depending on the price. I'm so much in love with it, I can't wait to spend the presidents on OS X.

PS: I said that my next computer would be a Mac. Unfortunetly, in Septemeber, my desktop died, and since I knew that OS X is going x86, I couldn't buy one. And since I needed a computer, I settled on the next best thing: TravelMate 8104. I hopet that I won't lose more than $300 when I sell it.

I say that you should wait for the x86 macs.

Mac is a very good web development platform because it has all browsers except IE6 running on it. And for IE6, you can use Virtual PC. Not only that, but since apps are contained in a folder and are independent of each other, and since there is no registry and Program Files, you can install as many versions as you want side by side.