Hi BobL,
You will be able to find something to make or use with all that MDF.
Our Chaps have just made another 2 Work Benches, & how we got Approx. 35 around the Room for Our Christmas Breakup I don't know.
Serious thoughts now of a Mezzanine Floor, Hurray.
As I said before, your Shed is Magnificent & a Credit to you all.
So what if it looks a bit to classy, all the better I say.