Go for contextual links that are placed within the content of related/relevant niche to your site..since this links comes as anchor text placed within content..so these links appears naturally to search engines hence they can't detect them as paid links...We provide contextual PR links from PR pages across niches if u need any help plz let me know .. Promod C linksbull
We've had great results using TLA. It's very important that, before you place an order, you check out the website as if you were buying the domain. The price TLA asks for a link bears little relationship to the authority of that link. Also, check the code. Some, but by no means all, of the websites have text link ads widgets that are a dead give away. It takes time to find the good sites, but it's possible and does improve your ranking.
Google page rank is dead, so stop worrying about it! there are many sites where you can buy links, but it is best to buy it from the digital point link selling sub-forum - that way you can buy individual links that are targeted to your site,