Well I will have to say VIKING ALL THE WAY!
I have the 830 and LOVE IT....
It is a work horse and it sews great! The "sewer" (me) is another issue!!
Great website for free classes and help and dealer has free classes from time to time!
Husqvarna 830 Sapphire is the BEEEEEEESSSSSSSSTTTTTT!
This isn't the quilt one, but as a beginner quilter, it has what I need!
Good luck on which ever one you choose!