Thank you for all your kind comments.
Newf, I found the Knifty Knitter to be fairly easy to use. I do have a knitting background from many years ago. The Knitter doesn't really come with a good set of instructions, just how to make a hat, and doesn't really cover how to cast off once you finish a project. There's a really good set of instructions on this link:
I placed "Goldie's" helpful instructions there on how to make the sweater. I messed up on the armhole part, but I figured it out for next time.
You can also buy the extra instruction booklets, and there are instructions and blogs on this site:
I'd like to make some scarves and maybe some slippers.