I'm VERY fortunate to have a 12' x 12' room dedicated to my hobby, quite a lot of space; somehow I managed to fill it up anyway! A local gamer posted his work "space" recently. Now don't get me wrong - this guy produces some fine product - but man is he chaotic!
I've just had my semi-annual clean up - so this state will last about 3 weeks!
My lighting source is quite good, ~1Kw of 96% daylight bulbs. No shadows! Only down side is my blending often gets lost in "lesser" lighting situations (ie everywhere).
I also have lots of "resource" space: