Great comments in post #2. All that I will add is for you to consider your "physicality" relationship toward the bike you choose. The better you "fit" the bike as it is engineered and built from the factory, the less you will have to do to "adapt" to it. Don't fall into a trap of "More" (power, accessories, chrome, etc.) is better...but focus on how you will mesh with the machine. That means you need to consider your physical strength, height, and weight, along with your skill and confidence level.
I am 73 years old, 5ft-8" tall, 28" inseam (on a good day), and purchased my first BMW in March of this year. It is a 2011 R1200RT. I had been riding a '95 Honda VT1100C2 Shadow ACE for two decades. For me, it is quite an adjustment. Purchasing this bike has been kinda like going from "Freddy Flinstone's" foot-powered vehicle to a Star War's fighter...'cept I'm always contending with "gravity."
At an age when many of my contemporaries are trading in their physical activity toys for a recliner & TV remote, I'm reluctant to give up. In an age when nobody wants to admit their medical constraints, I keep no secret of dealing with my agent orange (Vietnam) related diabetes, and the other natural progression/constraints of "life." Therefore, I'm still adjusting to this new (to me) machine. I have a standard and low seat, a small adjustment in reach (bar risers), and Beemer Buddies (grip covers).
This bike is quite a departure in riding position over my Honda, and I'm used to a "Heel-Toe" shifter. I am enjoying the acceleration, adjustable windscreen, and better gas mileage. Along with better mileage is "range." Friday I rode over 200 miles and returned home with about a half-tank of gas. Having such wonderful instruments as a gas gauge, gear indicator, and tachometer is fantastic!
Currently, I'm still working out whether the "adjustments" I'm dealing with (low back pain, hand numbness, cramps) are related to my physical condition or the bike. The more you test ride, question, and contemplate your options before you buy, the better your chances of a positive experience. Whatever you decide, I wish you all the best.