I use firefox because I just dont want to use Microsoft products. If its not my sis, and MSN Messenger, I would use RedHat Linux already...
Besides, WinXP SP2 just made me more irritated with it. I dont care about the security of my PC, at the most, a reformat!
Haha...But I prefer firefox because it has tabbed browsing, consume lesser memory than IE sometimes(I dont really know actually, with that Google Compute running in the background...), and I need to work with other browsers to check that the webpages that I create works...