• You can own and use your personal domain address www.somename.com
• Your can utilize email addresses e.g. yourname@somename.com
• Helps your brand recognition
• Increases the level of confidence on you and your company
• Early registration avoids somebody else to take the domain you want
• Domains containing keywords you compete on search engines are ranked higher

Most people go for a .com domain because it's the most common and easiest to remember. However, the problem is that most of the good .com domains are already taken. In that case it's best to check if the domain you want is available with another extension, like .net or .org. This way you will get to keep the idea you have for your website.