I have a Salamander Synergy and it's quite good but, frankly, I would not put any turntable on a pull-out shelf on it or on any rack.
I use top section of TV202 stand that was meant as a TV stand for CD player and turntable.
Audio Advisor has them on big discount:
I would use TV202 for your TV and get a separate Synergy stand for the turntable ideally.
THe pull-out shelf would not be stable enough. With the plasma mount on the back of the rack you woulld free up space on top for a TT. THe best way would probably be a separate Single 20 though. THere are two media drawer options. THe less expensive one is crap and a waste of money. The larger one holds much more and is built very well.
Thanks for all the suggestions. What I might try to do, as I think about it more, is get a wall mount turntable shelf and mount that just to the right of the speakers, above where I plan to store my LP's (I need a rack from Music Direct). That should work out well hopefully, and then it's only a short run to the reciever (to be replaced by seperates soon). That should work as well, right?