Anyone had a chance to try the new db Technologies Opera Digital series? Specifically, the 602D? Really lightweight and pretty good power....also, RCF has just come out with their new Art 4 series - I was interested in the 412-A (replacement for the 312-A series many users on this forum have tried and liked). None of these are available for the US market yet, and all US distributors are saying the same thing...no word of any kind on availability or pricing...