Popular Linux Browsers

Firefox

Firefox is the best browser available for linux. What makes it so good besides its advanced features is it's wondeful plugins and extensions support. Firefox is installable via apt.

Useful extensions for firefox:

Flashgot: FlashGot is a free Mozilla/Firefox/Flock/Thunderbird extension (compatible with Netscape too), meant to handle single and massive ("all" and "selection") downloads with several external Download Managers. You can install flashgot for firefox from here.
Tab Mix Plus: Tab Mix Plus enhances Firefox's tab browsing capabilities. It includes such features as duplicating tabs, controlling tab focus, tab clicking options, undo closed tabs and windows, plus much more. It also includes a full-featured session manager with crash recovery that can save and restore combinations of opened tabs and windows. You can install Tab Mix Plus for firefox from here.

Opera

Opera is an alternate browser which can be used in case you find problems with displaying of some sites in Firefox. Opera is now available in MEPIS repositories. So you can install it directly.
# apt-get install opera