if you are normally used to quilting on a domestic sewing machine, you ought to check out the Handiquilter Sweet 16 sitdown.
What's really nice about it is that the learning curve is much easier since you are doing the same thing you did on your DSM....just with a larger area/faster machine.
they aren't cheap, but are less than a long-arm. And the foot print is only about 3 feet by 3 feet!