i have paradigm speakers that are about 14 years old (monitor 9s , adp-350 ,and cc350 ). are the current speakers much of an improvement , looking at the specs (which don't make a lot of sense to me ) the values are pretty similar …. i have been thinking of upgrading my center , but don't know if current model is really a upgrade or would it timber match the other speakers, or moving up to the Preference line would be a match my surrounds