BlackHatBUZZ

First. You need setup:

-NoDofollow FireFox Add-ons: Just a simple extension to highlight links in a page according to nofollow / dofollow status.
Download:

https://addons.mozilla.org/en-US/firefox/addon/5687

-SearchStatus: is a toolbar extension for Firefox and Mozilla that allows you to see how any and every website in the world is performing. SearchStatus lets you view its Google PageRank, Google Category, Alexa popularity ranking, Compete.com ranking, Alexa incoming links, Alexa related links and backward links from Google, Yahoo! and MSN.

Download:

http://www.quirk.biz/searchstatus/

after setup. go to: google.com

type keyword, any keyword you like

ex: Twitter digg.com

we will get result like this:

click to More results from digg.com »

and see:

ok and know we will check PR and Dofollow Digg links.

example i will check this link:

Now how do we check?

Right Click to page and choose NoDofollow tag

it will show you this page is dofollow or nofollow. red is nofollow, blue is dofollow.

check image below:

SEE you can get lots of HIGH PR Backlinks for your Website !!