Thanks Matt,
Boolean geometry operations!? Not even sure what those are...I would slip the 'rotate canvas' function to the top and come back to those, they sound really boring! ^^ (kidding) Yes, I'm sure there's a lot of things that are a priority for stability etc. As I mentioned though, it seems strange that so many people are posting in art/drawing/cg forums around the web about ability for 'rotate canvas' or 'rotate view' in a vector drawing app, and yet there isn't one out there? Adobe Illustrator forum has several posts about it asking, one has 40,000 views but there isn't even an official response! You would think they would at least make an official comment one way or the other, no?
Matt, I think you have an opportunity here to pick up a lot of users, you would certainly get a boat-load of attention for being the first app to do it (drawing/art making on the computer is exploding right now) and that in itself could be hugely valuable. Just a thought.