know I'm jumping the gun by a country mile
You don’t half remind me of me. Rushin’ about, always thinking about the future.
My advice (which you will ignore ) is to enjoy building those decks. Then concentrate on the interesting work of planking the hull before you even think about laying in supplies for phase two - deck furnishings.
I have quite a selection of blocks and other accessories that I bought in for my first few model boats - the ones I abandoned long before the rigging began.