Getting that kind of traffic is not a joke.You need to work hard for it.Build links, make quality content..join forum, join blog directories and forums...participate in discussions and you'll get what you need.Goodluck
In small measures. You need to do some real SEO - onsite and offsite - to get the traffic. Also, the quality of content is vital. Anybody can start a blog, but nly high quality ones will get good traffic.