I have a Honda EU2000 that I had before I bought our coach (we used to use it on our boat), and they are very nice generators.
You pay a premium for them vs. the el-cheapos you get at Harbor Freight, etc., but they are actually DC generators with an inverter on the output. This allows the generator to run at a lower RPM if full power is not needed. Running at a lower RPM means they (can be) both quieter and more fuel efficient.
I have to say though, I have not used the Honda since buying the coach, but we plan on doing so next summer at a rally. There is no electricity at the rally and they only allow quiet generators like the Honda to run at night.
The Honda doesn't have enough power to run the A/C, but it will run just about everything else in the coach.