Yep, I have a number of meters too, the one that seems to be most accurate and correlates well to my Hba1c is the freestyle, the least accurate is the IBGstar which, frankly, is all over the place which is why I rarely use it. Reading comparisons today from the freestyle gave 4.9 which is what I would expect following my low carb intake and heavy exercise schedule), while the iBGstar gave me 7.9 one minute later.
Both meters checked with control solutions and according to the tests, in range. I like the fact that the freestyle has two solutions for testing high and low.