The reason I got a Kipor was the price. It can be a problem to get it repaired, but they have more dealers than they used to. I also like the economy switch (which a honda and yamaha will have too). The generator will throttle down under light load so its quieter and uses less gas.
Here's a verrrryyyyyy loooonnnnnggggg thread on the Kipor generators.
http://www.rv.net/forum/index.cfm/fusea ... g/1/page/1
Bruce