I know I am late to the party...But for what it's worth: I would stay away from bar boxes. They are ugly, and it's hard to keep the slate level (apart from Diamond). Some of them have coin mechanisms sticking out from the side that will bang your knee. Others have metal castings that interfere with your cueing and scratch and knick your cue (Valley). They are usually very thin slates, with insufficient support from the wood underneath. Over time, the slate will be bowed and it will be challenging, even for a technician to get it level all over. Nothing is more annoying than balls rolling off (to me at least). I don't think I've ever played on a Valley table that I felt was sufficiently level. I'm not some anal retentive nitpicker, but if you can't roll your ball even short distances without worrying about roll off, then that significantly reduces my enjoyment. There are ways around it, but it shouldn't be necessary, especially not in your own home!
Try to find a used home table with a 3 piece slate of an inch thickness. In your home you don't need the one piece slate, and it's far more practical to get a table out in pieces, anyway, should you need to sell or relocate. As long as you get hardwood rails, and 1 inch or thicker slate, I think you'll be very happy. You can find used tables like that very cheap, even ones that were once very expensive. Stay away from fibre board rails with thin veneers. They don't bounce right and get destroyed easily.