Firefox + Chrome.

firefox

Opera is world known as the most complete browser on Earth, i use it and it's just great !! i allso use Safari because it.s the fastest ! the conclusion is that Opera is the BEST! i am sorry for the others

After Explorer became too easily infected swtiched to Firefox - still use it to watch videos on some sites.
Otherwise use Google Chrome.

Firefox + Chrome

google chrome- totally awesome

actually, i use opera, internet explorer and firefox.

opera the most because it combines almost all the features i want (and some of them, firefox lacks) with speed and security.

internet explorer mostly for websites that don't work how they're supposed to in opera.

firefox if a website doesn't work right in either opera or IE, if i need to use downloadhelper (the only feature i'm missing right now in opera...) or if i simply have too many tabs opened in opera which i need to keep open.

Used to use Firefox, but now I use and love Google Chrome

Chrome

Google Chrome