Welcome...I wish I had posted a similar request for information & advice like this...
I purchased a 2010 (twin 998cc RT, 5 gears) with extremely low miles that was mechanically nothing but trouble. I also found it underpowered and uncomfortable to operate with my wife aboard...together we are 470# in street clothes. Buying it, in hind sight, was a mistake.
That said, my current 2014 is a dream and I couldn't be happier. It's a black RT Special Edition, a 1330cc 3 cyl, semi auto with the 6 gears, . I'm adding farkles and having a ball working on it and riding it as often as I can.
for me, the semi auto was mandatory. when I ride and make a "spirited" corner, unlike 2 wheels, you are sitting up top the flat seat with the forces to the outside of the turn...physics forces are trying to throw you off the bike sideways. I found shifting & clutching in a right side turn very difficult while holding on with my knees and gripping the pegs against the forces. Piece of cake to stab the paddle shifter up, down, or not at all under all riding conditions.
BTW, add in to your purchase a Baja Ron Sway Bar with metal links, some additional led lighting, especially rear brake lights and mirror turn signals. For me, highway pegs was mandatory.
now is a good time to buy...it's off season for riding in many parts...check out the for sale threads here
Good Luck