How does everyone determine how many search are performed for a specific key phrase per month considering Google, Yahoo and MSN.
Give the following a shot, I would guess it's not 100% correct though but a good guide for keywords. http://tools.seobook.com/general/keyword/
Most of the keyword tools fetch data from inventory.overture.com It is tool of yahoo and gives approx result, it’s not very accurate. Second is wordtacker, its paid but worth for money.