I have the Husqvarna Viking Designer Diamond AND the Topaz 30. I LOVE LOVE LOVE them. I use the Diamond just for machine embroidery which does awesome huge designs, has wonderful adjustable lighting, and just too many features to list. I rarely use it for regular sewing because I have the Topaz 30 for that. They both have the larger neck for quilting. I miss the large screen on the Topaz 30, but it does nearly all that the Diamond does, for about $7000 less. All of my machines have been TOL when they were purchased, except for the Topaz. Since I have always done so much sewing, I figure I should always buy up from what I think I need or want. I have never regretted this. I also have the earliest Designer I, then the Designer SE. I still use them all. The D1 is my everyday do-it-all machine, the SE has the walking foot on it all the time. You can never have too many machines.