I have a HandiQuilter with a Viking #1+, and a Brother ULT2001. Both machines have 7-1/2" throat space.
I did a 84 x 88 quilt with flannel top, Hobbs 80/20 batting and flannel backing on the Handiquilter. I also did a 58 x 64 quilt of regular quilt fabric and Hobbs 80/20 batting.
Both quilts were meandered. By the time you get to the middle of the quilt, you only have about 4" of space to work with. To not lose even more space, you have to start at the other end of the quilt and again proceed to the middle.
I wanted to do more than just meander on the next quilt. It was 65 x
74". The complex circular motif used for the blocks was 5.9" diameter so I could not use the HQ to quilt. I used the HQ to layer and pin the quilt and then used free motion quilting on the Brother. I could have put the quilt back on the HQ to do the border, but got so comfortable with the free motion that it didn't seem worth it to put the quilt back on the HQ.The verdict: I would suggest getting a system that will give enough working room to do the largest quilt motifs that you intend to stitch.
The HQ16 might be an affordable system to look >Has anyone used a "home" quilting machine or fram (which uses your own