I'm sure it's a good fly line, it seems to be getting rave reviews from those who use it. It's got a short heavy head, so it might not shine for delicate presentations. If you are throwing weighted nymphs with indicators, I bet it would be great.
Here's the design and usage notes from Wulff.
Ambush® Fly Line | RoyalWulff
What type of rod do you have that you're considering line for?