As soon as I read that your gd is six, I remembered this blog post I recently stumbled upon:
http://www.ikatbag.com/2012/04/ikeas...g-machine.html
Again, she's not pitching it as a beginner machine for a tween or YA, but as a good machine for a child, for a reasonable price.
This particular blogger just cracks me up - I enjoy reading her blog (take the time to read the whole post - it's a detailed review, feature by feature, of the machine).