
Imho, it's really important to keep things tidy and clean, I found it helps me getting concentrated.
My setup needs to grow up, as I find I have little space in my desktop, so a third screen is on the cards now.
On the right you can see a white bottle of water that my beloved wife keeps always full and on the left that small yellow book is where I keep all my daily notes and a record of market behaviour.
http://img819.imageshack.us/img819/1046/dsc0006ob.jpg