1) Likes
adblock plus plug-in - sure it messed with my google analytics but - it blocks lots of ads.  this comes in handy for myspace & facebook where you can block auto-playing videos & music

2) Dislikes

have to install flash

What our customers are saying:
"Firefox is just about the nicest thing you have ever done for me... I love it and really don't know much about it. I love the "open all tabs" button. I click on it and they all open...I check them quickly and close them.   It's just super"