Buying links

Check following parameters
1. Google cache date
If it's more than 2 weeks - not so good
2.Number of backlinks
3.Number of Google indexed pages
4.If the inner pages have some page rank
5.Age of site
6.If you buy multiple links preferable to buy from different IP

Directory list

http://www.123promotion.co.uk/directorymanager/?order_by=&start=0

http://www.links-collector.com/submit.php

http://www.1morelink.com/submit.php

http://www.webworldindex.com/ pr5

List of RSS directories pr6

List of directories

http://www.goongee.com/ pr4

http://www.prlid.com pr1

http://www.haabaa.com/add-your-site.html

http://directoryfree.mylinea.com/ pr1

http://www.the-search-site.com/add_url_form.asp pr3