In addition to Travel Talk online - BVI section which was suggested earlier, You can also find good Skipper & Crew info in the - Charter Review & Questions section which is further down their main index. The 1st three permanent posts will give you lots of suggestions & good info you can use for many years to come.
Traveltalkonline: Viewing forum: Charter Boat Reviews and Questions
Sailonline.com is another source for lots of various info -
Yacht charters, discount boat charters, yacht ownership | Sailonline.com
If there are particular areas you want more help on just post them separately and I'm sure the gang here will step up with lots of experienced help
BVI - 1st charter - You will have a fun & learning experience........enjoy