Well it seems that everything has been told here, good tips. You have to get backlinks from blogs with a high PageRank.
exchange links and add your blog in directories and use signatures in forums . it will help you to increse pr
Ping your blog on every content update Blog Directory Submissions Link Exchange That's what I usually do
Unique content is key, remember to utilize technorati as well. Very important ranking systems which will up your PR, good luck. -Swapw