Before you spend all your money and time building your back-links to your sites or blogs- focus some of that time and money into getting your site notice by search engines across the board.
Stats shows that only 25% of your back links are INDEXED by big G! So don't be wasting precious time here- do the right thing to get your rankings going.
Just give me the URLs of your sites, and I'll make sure it gets indexed by Google & I'll throw in some extra links juice.
It should take around 24-48 hours for you to start seeing a difference (you need to give Google's spiders some time to crawl the web).
NOTE: 20 Links per gig!