I am Nazmul .I am forum posting Specialist. I think Google Search Engine is smartenough to discover self ads and forum topics, so I don't think it'sgoing to improve your PR. However, it can have an indirect effect, asyou will get more traffic to your website using these links
Benefits of Forum Posting
1.Forum posting is the greatest way to make back links.
2.Forum links allows you to boost you’re the link popularity of your website.
3.Forums are well cached by search engines.
4 Forums are the excellent way to get free traffic towards website.
My service:
1.Unique Forum post
2.Re-Checked for our and customer satisfaction
.4.Verify Account Submission.
5.All links to be done 100% manually.
6.High PR Backlinks.7.Full report.