Relax! You'll love it!
Hoppy,
We bought our first TT (Edge M21) last month, with the same anxieties, after tons of homework and comparison shopping. It has turned out to be easier and more fun than we had even hoped; in fact, we're going out later today with it for the weekend.
Keep the checkbook handy those first couple of weeks while you get it just the way you like it, though... (Who knew "throw pillows" and "floor rugs" were a necessary ingredient of road life?!)
Doug