Congrats on your new purchase!
My wife and I are also from the Thumb and this is our first season with a Keystone. Like you, we are coming from Jayco and had no problems with our Jayco at all. We wanted to go a little bigger and a little newer so we found a very well taken care of 2008 Everest 348R. We love the layout and other than a couple minor (and what I would consider normal) issues that I had to take care of, the fiver seems very well built.
We would love to someday have a front living room like you just purchased. That is such an awesome floor plan. After you have used it a few times drop me a line on how you found the bedroom storage (mainly closet) to work out. That is the only fear that my wife has on the front living room bedrooms. I love the high ceiling in your bedroom, it really seems to give more of a roomy feeling.
Enjoy your new fiver!