Try the following site:
www.divebermuda.com
www.divebermuda.com
(This is the best site I have found, and they have an excellent reputation)
There are lots of general information sites as well...just look them up on your browser.
A few of things to remember:
1) You cannot rent a car in Bermuda, so its either a taxi, bus, ferry or rental scooter.
2) All major resort hotels have a Scuba operation, so transport to a diveboat launch is usually not a problem.
3) Major problem is of course the cost. Everything in Bermuda is very expensive compared to the states. The biggest cost will be your hotel room. If you can keep that cost under control you will accomplish a major victory. Food is also expensive.
4) One of the problems with tourism in Bermuda is that there is often a lack of value-for-your money with the "product". As such, high prices do not equate to better quality. The dive operations I have heard are all good value for money. Some hotels can be a disappointment however.
5) The best values are at some of the guest houses (B&B style). Some are near the other larger resorts so you can actually walk to the dive shop from your cheaper digs...not a bad deal.
6) Peak season is June, July and August, so prices are higer then.
7) Bermuda is part of the UK, is fairly clean, and fairly safe, and quite pretty.
Hope this helps.
scubamax