KENMORE is just a Brand name used by Sears. They CONTRACT with other companies to manufacture for them.( Just like Craftsman tools!) Most are either White or Janome machines.
Probably the best machine for beginners is the most inexpensive one. BUT...I would talk to a salesman, or whoever is there. My first one was a "Singer Simple". Not a lot of bells and whistles, and...
Some good sewing machines that are good for beginners are the ones that are made by Singer. Singer has some inexpensive sewing machines that are good. They also have some that do not have to be...