Looking for advice on web browsers

Hi

Having never moved away from IE 6, I am now looking for an alternative, so would like to get advice from anyone who has used different web browsers:
- What in your opinion is the best and why?
- What hangups/problems are there with other browsers?
- Is there anything I need to tweak on other browsers, as I've changed some settings on IE 6 to suit my own security needs after reading various articles on the subject.
- Any further developments on Chrome, e.g. with the issue of gathering personal information or at least I think that it had something to do with that particular subject.

 

I just use firefox. havent had any problems with it. nothing much to add to that...