Reverse rank tracker: 1 keyword multible domains? Does it exist.

After reading: http://www.blackhatworld.com/blackh...ill-playing-tier-1-tier-2-like-kids-read.html

I would like to track the postion of my tier 1 links.

Lets say I have 50 - 100 tier 1 links and want to track the SERP for the same keyword.

Usually you will track a long list of keyword for one domain. But here I want to track a long list of domains for one keyword.

Any suggestions on how to achieve this?

Thanks.