Wow! How exciting and wonderful!
I got a long arm in January. One piece of advice from learning the hard way.... try to work on your machine consistently until you really get your comfort level secure. I had several family issues that got overwhelming so I didn't use my long arm for about 6 weeks. When I finally got around to using it yesterday I struggled to remember some things. Luckily, I have a training session on it again in a few days, but I'll have to ask her to go over some of the basics that I was feeling comfortable with initially.