It didn't mess my bookmarks up. It doesn't really take time to learn if you just use Back/Forward.
ff2 was good but FF3 is better, there is no reason that I can see to hang back with ff2
FF3 is the most complete web browser available at the moment
I say that because it has
near 100% standards compliant HTML engine
OS Independent Addon infrastructure
Large range of Addon's avalibale
ff2 was good but FF3 is better, there is no reason that I can see to hang back with ff2