This is a topic that's been quite well covered here, and you may find that a search of the forum will yield some useful nuggets.
To your list I would add
Chandler LTD-2
I have the mastering versions and love them
Gyraf Gyratec X
I'd like to try this at some point - some people here speak highly of it, could be an alternative to the Manley and is very reasonably priced