I think the parkway's going to be pretty busy this time of year with tourists trying to catch the fall colors, although the peak has probably already passed. As bloomjbmw said, it's a two lane road with very few passing opportunities, and you're going to likely spend a lot of time behind minivans and motorcycles going 40, which can be incredibly frustrating.
All that said, I would definitely check it out, just don't plan on being able to drive too fast. In my experience, the parkway is a lot more enjoyable if you just sit back and enjoy the scenery at a semi-leisurely pace. It's a lot more fun looking at the mountains than the rear bumper of that van you're sure to be stuck behind.
Check out this thread:
http://www.1addicts.com/forums/showthread.php?t=539531, and this map:
http://maps.google.com/maps?f=d&sour...,0.426407&z=11 . Willwin2day is Donnie Isley, a driving instructor at the PC. He set up that drive for us, and he can probably recommend a good route for you too. The pisgah hwy in-particular was incredible, and probably will be much more enjoyable to you as a driver than the parkway. Donnie described his drive breaking in a 1M on that road here:
http://www.1addicts.com/forums/showthread.php?t=538720 . You may also want to consider a detour to check out the tail of the dragon. I actually preferred Pisgah to it, but it's still a lot of fun, and something that every car enthusiast should checkout.