I most certainly don't live, die, or judge a ski by it. If I did, I'd have lost my marbles when I found out my 189 Kore 99's are in fact 102 underfoot. Nor do I get my undies wound up about that a 180 eSpeed Pro and 175 eSpeed Pro do in fact ski a bit differently. Frankly, I expected it. Breaks my heart that no one currently makes a 16/17 Monster88 or the original Augment AM 88, and I don't really care if Graphine is the deal or not, I only care how they ski and that they're prepped by my guy who knows what I like. The latter is much more important than any numbers printed on the topsheet. Just looking at a Kore 99, a Monster 88, and an eRace Pro, I'm pretty comfortable anticipating what they might be used for, where and when they'll excel, and yes, even anticipate how they might ski, etc... Have there been suprizes? Sure! The current blue eSpeed Pro which is a totally different beast than the yellow model, but no big worry one way or the other, just a different horse.
And yes, I was apprehensive when changing from an older RS 130 to a B3, and then finally to a WCR 3. They all ski differently. The fit is even different. It took a bit to figure out the WCR3's, but man o man, I love them and wouldn't go back. Just got a new pair dropped off yesterday and am pleased as punch! I also know they'll ski differently because they're fresh plastic. Not quite time for the Laz-E-Boy just yet.