I'm tanking down my tank today so these will be available tonight or there after.
here is a link to the build post i did.
It will need to be cleaned
http://www.pnwmas.org/topic/16517-80-gallon-display/
It has two over flow boxes one in each back corner,each one has unions and flow control/shut off knobs.
It has a center return
all are drilled through the back glass.
The stand is a factory stand that someone put a real wood outer skin and doors on.
Here is an old picture:
https://www.flickr.com/photos/23659970@N07/7974774637/in/dateposted-public/
$75
Pickup in eugene