I've shot the 6.5 and was impressed with it. I've never been accused of being a Mathews fan either.
Yes, it has some vibration but really, who cares? Is that going to make the deer any less dead just because there's some mean old vibration on the handle? NO! Really, that is the LAST thing I consider when buying a bow.
Put an active stabilizer on it and a String Tamer and kill stuff.