hi there
go to this site www.rankpay.com
you will see an option to place a domain in when you click on go it will give you the pagerank and the age of that domain
after you can place a keyword in it will look at the competition in google yahoo and bing and will show up how easy or difficult it is to rank for this keyword according to the age the pagerank and the actual competition that keyword has and will give a result of excellent very good normal or average.
you will need to be somewhat familiar with seo to achieve this project. please tell me how you would proceed with this and how you would develop it.you can try the script on www.rankpay.com it is exactly the same as i need excepting the costs.
