Hope you guys must be already using Google Chrome..
But it has few privacy issues and hence "SRWare Iron" is there for !!
There are some significant privacy issues with Chrome as found inhttp://www.srware.net/en/software_srware_iron_chrome_vs_iron.php
They have linux support also now.. and portables too !!
I've been using Iron for last 6 months, and no problem at all..
More quicker, silent than Firefox.. with lot of website support