Dang man! At least you're using the good stuff.
I think it's time for SS to roll out the SPL Tiles again...
Back to the original question. If you proceed with the wall, look for 13 ply 3/4" void free birch plywood. It is some awesomely strong stuff. Wish I could build with it more often.
Later,
thanks man ill look into it because the wall is completed and being trimmed up for good seal.