The introduction of large chests are indeed very nice and I use them often for bulky trades (e.g. bricks) and hunting trips. I also use them for seed sorting at the moment, but they are not ideal and their decay maintenance maybe a little expensive to keep outdoors... they're not bad at all for this, however...
It would be nice to have a large open top bin/crate for outdoor storage (leather, tree seeds, metal ore, whatever you want), made from wood alone. Like cupboards, can't be lifted if it contains something, but with a large inventory capacity for bulk storage, 10 x 10 or even 12 x 12 will be great and I would have no complaints if it occupied 2 x 2 floor tiles. Their resilience to decay should obviously be much better than cupboards and open top so that you are able to see from the sprite if it contains anything.