A couple of quick BVI factoids. I have been there numerous times, what an awesome place!
1. If you are going to do Anegada you should pick up Walker's Anegada chart. Very nice and extremely reliable.
2. Here is my trip report from 2010, that might help some:
BVIPirate - View topic - BVI trip report May 2010
So very incredibly envious, have a great time. It really is all line of sight nav. Don't fret, it is as easy as they come. Dang, I wish I was going.
Freezing my ass in the PNW is getting quite old.