There are some great suggestions here. The LQS's I've been around will let me use their classroom when not in use. So push together as many tables as it takes. Pin baste the quilt on the table closest to you. When finished, untape that table and move it aside. Then go onto the next table, that way you can get to the middle.
Personally, my shoulders, neck and back cannot handle putting a BIG quilt through a domestic machine. So I'd have it LAQ'ed.