1. Opera
1.1. Pros
1.1.1. Includes its own mail client, music-sharing service, etc.
1.1.2. Tab stacking
1.2. Cons
1.2.1. Includes automatic bookmarks, passwords and settings synchronization via its cloud but it doesn't work as well as other browsers
1.2.2. Fewer extensions than other browsers
2. Mozilla FireFox
2.1. Pros
2.1.1. Wide variety of add-ons
2.1.2. Customization
2.2. Cons
2.2.1. Crashes alot
2.2.2. Bad performance
3. Google Chrome
3.1. Pros
3.1.1. Good user interface
3.1.2. Is a fast browser
3.2. Cons
3.2.1. Does not work correctly with certain websites
3.2.2. Privacy - Google knows everything you search
4. Internet Explorer
4.1. Pros
4.1.1. Good for browser testing
4.1.2. Automatic Crash Recovery
4.2. Cons
4.2.1. A lot of viruses
4.2.2. Can't get IE9 on Windows XP
5. Apple Safari
5.1. Pros
5.1.1. Safari Reader
5.1.2. Private browsing mode
5.2. Cons
5.2.1. Not many plugins available
5.2.2. Some plugins and third party programs do not work with latest version