Just wanted to weigh in on this, since I asked the same questions a while back. I have 2 lathes (actually 3, but 2 that run...). A small 7x14 chinese clone, and a 16"x6' Hendey.
Had the 7x14 and wanted something bigger. Got the Hendey CHEAP, and that helped. But moving a 6,000 lb machine is an...