Just picked up a 2010 R1200RT earlier today. I've been riding constantly since the early 80s, but this is my first BMW.
I traded my 2003 Kawasaki ZRX1200R in on it. I had my ZRX set up as my "sports tourer", but it never was really up to the task. A 1500 mile weekend on the ZRX sealed the deal...I need something with longer range, more comfort, and more storage. The R1200RT fit the bill!