I've had a similar experience with a new Contour meter that I got free with a coupon. I bought some test strips and started using it instead of the Ultra One-Touch. I was consistently getting readings 20 points lower on the Contour. I got suspicious and took both meters into my Dr's office to compare with their meter, and found both my meters were about 15 points lower than the office meter. I called Bayer about their meter and we did a diagnostic check over the phone which showed the meter was working fine, so they had me send in the remainder of my test strips & sample solution (which they replaced for free). I'm now waiting for the results on the test strips, and not sure which meter to believe. Makes you wonder doesn't it?