I've had a Brother SQ9050 for a few years now, and just can't say enough good things about it. The only thing your machine has that mine doesn't is the thread cutter..that should be a great feature to have! I think you will be very happy with the new machine.
The only thing to watch for is lint building up in the bobbin area..really messes with your stitches! I can tell with mine because the sound changes...(by the way..it is such a quiet machine!)..but it's a learning curve and you'll learn fast enough that if your stitches don't look right or the sound gets a little louder, you need to clean your bobbin area!