Link building by commenting on blogs work really well, but it is time consuming.You need to post a good and helpful comment or it will most likely not be approved by the webmaster.Also, do follow blogs pass link juice, but commenting on all related blogs works also if you post a really good comment people are coming to check you out. Comments like "nice blog" or "nice article" or similar will not work. Here is a list of the 250+ best internet marketing blogs.Start from #1 and work down on the list. http://www.winningtheweb.com/im-top-blogs/
great Idea I just tried it out on the blog. should have a list of all the blogs you can do this with..
get the seo plugin for fire fox and itll show the page rank in the search results beside the sites your searching for