Someone sent me this Presidential candidate selection tool. Answer a few questions and it gives you your candidate. It looks like they might be collecting data too but it is anonymous.
The test claims that "The scores at the end are pretty black & white--either you agree with the candidate's positions or don't. Personalities and party affiliations don't come into it."
I most agreed with Fred Thompson - the only area where we differed was energy.
The candidate I least agreed with was Hillary Clinton - scoring a 5 - we only agreed on the death penalty. We differed on Iraq, Immigration, Taxes, Stem-Cell Research, Health Care, Abortion, Social Security, Line-Item Veto, Energy and Marriage.