Scotty
David Codey (61)
We just need to clone T Carter and Q Cooper into a single attacking and defensive superstar and Bobs your uncle.
About to say something similar to this when I read your post. The releasing of the Tahs backline is not solely down to Carter. Barnes has much more of a say in this, and the fact is that Barnes is not a running, wide passing flyhalf. He is more of a Wilkinson than a Cooper. That is fine as long as Tahs have a big roll on and have their short passing game working in and close to contact.
Put Cooper inside Carter and I reckon you'd see a different backline in attack (albeit one that leaks a few extra tries). Horne and Beale could run as wide as their hearts desire, and they'd know that Cooper could still get the ball to them.