Cool! I made a needle stopper because I am a beginner and it does help! I live in Bucks County, PA and am curious where did you find classes to take? I have the LK150 and a bulky Knit King, which is the same as the Brother bulky 260.
Mostly, I'm learning from youtube videos. There was a knitting store on Glenside, PA but they closed a few years ago. A machine knitters group met there once a month and I saw ths LK150 in work. I purchased a few machine knitting tools from a person in Bucks cty. about 3 years ago, but can't remember who that was. She gives classes, too. I'll get back to when I find the contact info.