Planning my flat - balcony

So. As I now "have" a flat (well, signing papers on tuesday), I can start planning what to do with it.

First big bonus of this flat is a big balcony.
Balcony screams for a sitting space and plants.
First my drawing-thingie (yes I'm so good good at art *coughs*):

Hope you are able to see what I mean... Btw, it's a view from outside onto the balcony (with some kind of 3D-effect), as a friend was confused by it. (on the bottom is some sort of view from above.)
The side without door gets a sitting area with a table. I already do have some ideas how to do it, but nothing is fixed yet.
Potted plants and some lighting on the windowsills or hanging from the frames.
The side where the door is gets some hanging pots with plants - most likely herbs or veggies or something like that (hanging strawberries?).
Also, a willow tree in the corner - simply because rather big willows are cheap and easy to get and they grow like crazy.
I'd like to add some sort of board onto the railing, so I can put plants there.
At the front of the balcony I plan to install some adjusteable hanging screens, to allow for different measures of shade.

And I think that's it so far... Any tips or ideas? It'll be my first balcony so I have no idea what I am doing xD