Weapon gallery

I have got something on my mind for a long time now and as the title indicates I've been thinking of a weapon gallery. This may have been in some games that I have not played or I simply have not heard about it.

What do I mean by weapon gallery? I'm going to pick Modern Warfare 2 as an example. It does not matter what you think of the game, it's simply to illustrate an example, and MW2 is rich on weapon customization. Imagine a white room whit a white table in the middle of it. In this room you would be able to manage all you weapons and gadgets. You would be able hand up weapons on walls and customize this as you please. You can pick down any weapon of your choice and you would be able to pick apart the weapon and attach attachment to it. When I say pick apart the weapon I mean in great detail, as in you are cleaning a weapon. You wouldn't get all the weapons at once, but unlocking them through either single or multiplayer.
And maybe after you have played around with your weapons, dis-ambled them and such you could try them out in the shooting range.

I'm not sure if you are able to picture this as I picture it. I'm going to give another example. If you have seen the recent movie "Kick Ass" you know that Big Daddy got a room full of weapons. This should give you a more clear idea about what I'm talking about.

And with the newly released Playstation Move and the upcoming Microsoft Kinect I think those two products would greatly enhance a such experience.

This is a geek idea I'm hoping some developer will realize one day. Hope you got the idea and let me know your thoughts, and let's have a discussion in the comment section.