For recommendations on dealers, check the dealer section. Many people are reluctant to recommend a certain dealer as it is often a choice best made by the buyer. All of the supported dealers have a pretty good reputation with their own quirks, read some of the reviews, check out the websites and then make a choice (You can even e-mail them with specific questions).
As far as the best reps, check the post at the top of this forum. Also, utilize the search function on the forum as many of your beginning questions have already been answered (most of them are stickied on the tops of certain sub-forums).