Just remember that only the zero-offset posts have the 2-bolt adjustment and the uber-beefy CNT goodness. The regular EC70 and EC90 don't. Not that it's a bad thing, but the Zero posts are a little higher-end.

I ride an Al frame and noticed a slight difference in the sense that it dampened the road buzz relative to the Al post that came with the bike... Or maybe I was just trying to justify my purchase in my mind

Good luck, and enjoy!

DrPete