1. Windows
1.1. Pros
1.1.1. covers those using both AMD and Intel processors
1.1.2. accompanies so many products whilst remaining relatively cheap
1.2. Cons
1.2.1. The security issues that Windows faces may discourage some
1.2.2. Microsoft has failed badly with the tablet industry
2. Mac OS X
2.1. Pros
2.1.1. free online storage service.
2.1.2. automatically pulling in contacts, bookmarks, calendars and other data in ‘sync’ with the service when you first log in.
2.2. Cons
2.2.1. OS X requires luck or some knowledge to use all the basic features
2.2.2. OS X requires you to buy these basic applications to do every day task.
3. Ubuntu
3.1. Pros
3.1.1. Smart menu system that easily groups together all your “apps”
3.1.2. “Dash Home” extremely useful.
3.2. Cons
3.2.1. some parts of the Ubuntu UI do feel a little sluggish from time to time
3.2.2. 3rd party productivity apps that just don’t exist in Ubuntu