PC Operating Systems

1. Windows 7

1.1. Pros:

1.1.1. new task bar and Aero Peek

1.1.2. Strong design

1.2. Cons:

1.2.1. Performance is still hit-or-miss in Windows 7

1.2.2. Windows XP still performs better in some categories Read more: http://reviews.cnet.com/windows/microsoft-windows-7-professional/4505-3672_7-33704140.html#ixzz1bwCZ22ZJ

2. Mac OS X

2.1. Pros:

2.1.1. 30% less power than Ubuntu and Windows

2.1.2. multitouch gestures a priority in Mac OS X Lion Read more: Apple Mac OS X Lion for Mac - Free software downloads and software reviews - CNET Download.com http://download.cnet.com/Apple-Mac-OS-X-Lion/3000-18513_4-75454201.html#ixzz1bwQi6OeG

2.2. Cons:

2.2.1. More complex than Windows due to its UNIX base

2.2.2. 2