Good quality link building works I have a page (deep page not my home page) targeting a long tail keyword, now is the first result out of about 10,000,000 results, my home page is targeting popular keyword at google page 3 competing with high ranked websites. It's not easy but it could be done if you focus on good linking strategy like article marketing, do not spam with blog commenting, do not exchange lonks, do not wate your time on bookmarking (while it's must do for indexing the page fast but it will not help with your linking) and finally automate the link building process using some intelegent software or services. A good resource for effective link building is the squidoo page about one way line building http://www.squidoo.com/one-way-link-building and some of the srvices and software listed there are very powerful, but be carefull of using the software, i never used them to build backlinks directly to my websites, i used them to increase the PR of the pages linking to my page. like posting an article on buzz then using the software to build backlinks to the buzz article, then posting a page at hubpages and also using the software to increase backlinks to the hubpage, the posting an article on my free blogger blog or wp blog then build backlinks to those posts with the software. It's easy fast with great results, instead of buying a PR3 or PR4 backlink you can build one with a good software from buzz, hubpages or webly and other good sources