Marketing Yourself

Okay so I read about @avgn saying business cards are a great tool to get more opportunity;
So I was thinking why not just create a full blow portfolio/online website?
ex:johndoe.com
Do you think a personal website with your portfolio, about, and maybe a blog is a great tool to gain more opportunity as a college student?
Or is this over the top, and ridiculous? I know that people focused on the computer field/design have their own personal website. I also have read of...

Marketing Yourself

Marketing Yourself