New member with generator question

We picked up our brand new 2720SL on Saturday and drove 250 miles on and off the interstate to bring it home. My husband was happy that there was no learning curve for pulling it if you have any experience trailering a boat. We are very excited about our purchase and our first question is about a generator. What size/make/model does anyone recommend? We have enjoyed Mike & Kelly's User Manual which helped steer us in the right direction as new users. Thanks!

barbarat