It sounds like you could use some more shelf space, seeing how you have to put everything 2 deep/3 high, etc...
I don't really plan on playing much of it right now so i'm not worried about it all being stacked and inaccessible.
Actually all of it is in my closet right now or boxed up waiting to be put in my closet.
Since available space is at a minimum right now with me Aubrey and the baby sharing my old bedroom. (We might be moving my moms crafting stuff so the baby can have a room till we find a place and move out)
I think the only stuff that is going to be "on display" is books, magazines and if i can finagle it my Mortal Kombat stuff.
Also as it stands now:
VERY Top shelf
Most of my CIB systems
Empty system boxes
a bunch of controllers/accessories
a couple loose systems
Guitar Hero games
some other stuff
Top Shelf (Left side)
PS2 is 4 high on the back of the shelf
Xbox is 3 high in front of PS2
360 and GCN are sharing the space in front of the Xbox
Wii in front of those
Middle shelf (Left side)
Genesis CIB games
PSX stacked 2 high in front of those
DC in front of those
DS in front of the DC games.
Pico next to the DS and DC games(takes up 2 rows deep :-/)
Bottom shelf(aka floor) (Left side)
box of Atari games i haven't gone through.
box filled with the loose SNES/Genesis/NES/SMS games and CIB controllers and accessories.
Right side
dozen+ of displays(maybe half are mortal kombat)
3 boxes of various junk i have to go thru
large container full of letters, cards, comics, posters, and free take one stuff, and more. All gaming related.