Go with 220 5000- 6000 watts and use the keggle
It s worth the extra effort and money. You can also boil in it.
once you boil with electric you will not ever use anything else. and being setup to do a 10 gallon batch is something you will probable be looking to do in the future.
I was married for 10 years before my wife knew I drank.
Then one day I made a mistake and came home from work sober