Firefox 2.0 is here.
I love the inline spell checking, very cool. It is great in creating blog entries.
I really like that each tab has a close button on the tab - making for easier tab management

Disadvantage is that not all extensions and themes have not all caught up.
If you want to keep up with the latest things in life, get it.

If you are happy with IE6, give it a try at least, but avoid IE7!!!
The new toolbars stinks. The items under the tools menu is a mess. Quasi-nerdsor bette will catch on quick but John & Abigale Q Public, will be crying, if they have to putts with settings.