I'm adding onto my list
POSITIVE
1) The invaders are real bouncy. I find that over little bumps, you catch an amount of air everytime. Which I enjoy.
2) Flexable as hell. If you know how to butter, you will be king
3)Can take rail damage. I havn't barely recieved a scratch yet. And I hike rails 3-4 times a week.
4)Fairly light, flex makes up because you can ollie real well.
5) Elliptical sidecut makes the ride real fun, it catches the snow and is a good leaning carver. As they adivertise, it does ride fun like a snowboard.
6) Anything switch is 10x's easier. Since it's the same ski forwards and backwards the switch landings are just as easy. I've pulled myself out of so much crap that I thought I was completely dead.
NEGATIVE
1) They tend to delaminate. It is delamination in the literal sence because the clear lamination is coming off, not the topsheet, so the performance isn't hindered at all
2) Not made for backseat landings, the flex in the back pops you back up, slides you out, or in RARE conditions, may snap.
3) Very high speeds get frightening. At least for me, I'm not a fast guy, I like screwing around at a medium speed and ollieing random things...
NOTE: These are all my personal feelings on it. I don't want peple complaining that's not what happens, results vary. But still, I love the ski.