Welcome, and congrats, Paul!
You won't regret your decision; no comparison to what you have been used to!
As far as wood, I'm a huge fan of Smokinlicious.com wood. It has the right moisture content for smoking, and is very clean heart wood (no bark). Here's a guide that will help you with amounts:
Guide to Smoking Times, Temperatures and WoodsAlso, be sure to check out the guides for beginners, under the User Guidelines and Instructions section (the first 2 topics - What to Do When it Arrives, and Basics for a Beginner).
Let us know how we can help, and we look forward to seeing your successes!