I would add VPI to your list. Of the ones you mentioned, I would go for the Mofi Ultradeck. I had a Music Hall 7.1 and it is a pretty decent table with good isolation and a good arm for the price point. I've never had the chance to do any serious listening to a Rega, so I'm not saying that I've listened to that table and prefer the others over it.
The phono stage is important, don't skimp on that.
The phono stage is important, don't skimp on that.