Link back from high PR (Page Rank) website or those website that has frequents indexes by google will help your website PR increase. Normally a high PR website, have a lot of quality link back. If you would like to have high PR for your website, find more quality link back is a must.
There are few method to have link back, paid or without paid. Link exchange with other webmaster is the most common to obtain link back; or buy link on the high PR website. Other then this, there are a lot of Web Directories for you to submit your website. There also have free or paid directory.
Alive Blog Directory is once of the new blog directory service which built on the established and trusted main Alive Directory resource (AliveDirectory.com which has PR6). You can submit your blog to there. This blog directory provide Featured Listing (appear on top of Regular listing) and Regular Listing. You can choose to paid yearly or paid permanently.
You definitely will have benefit from paid directory, because paid directory has a team people who are expert in SEO (search engine optimization) and some time they will buy quality link back to ensure they have a high PR and traffic.