David: The GenHunter kit works, but depending on the technical prowess of its user, it may take awhile to get good data. The quality of your RNA is key, and you've got to follow instructions and take care throughout. Best of luck! -Stuart Stuart Horowitz CardioPulmonary Research Institute Email: sho1 at aol.com Ph: 516-663-3917 Fax: 516-663-8874