Sounds like a nice tank Danny. Look forward to the build thread.
Although smaller, I just ordered a 24" by 18" cube but 24" H. Also going with 3/8th. glass and Eurobrace.
If you remember back a year or so ago, when I still had a decent size house,

, my cube was 4ft by 3ft and 24H. I went with a 7in. sq. rear corner overflow, w/ a 1.5" drain stack. I really liked it.