I'd say Bibs...
EPs are super soft, and while that is cool, it's not everyone's bag, and unless you can ski them like Eric does all over, a stiffer ski might be nice.
Don't know much about the Amplid, and like others have said the D. Party is too much a quiver ski, very specific usage.
I can say that Moment is so legit it's unreal, and so is Line, so I guess it's a matter of what you want flex-wise and such.