Help with organization of kid stuff

Iowa caucus for Americans today. I'm really curious about how things will go. [Confession: I am so not paying attention to anyone but the top three contenders on each side, and confused the candidate Ron Paul with rapper Sean Paul (turn down your speakers if you're at work). And every time I saw a "Ron Paul for President" sign I thought it was an ad for a new album coming out. I only figured they're two different people the other day while watching CNN. Duh.]

Can we talk about organization? I am not a great organizer in general, and was barely holding on with the new holiday influx of toys. But yesterday my older son brought home a beautiful little pinch pot from his art class at school. And I realized I was going to have to start really processing 3D art projects and figuring out what to do with them. (I've been putting the drawings and paintings into file folders and saving them.)

Gah!

So I guess what I'm looking for is ideas from those of you who are good at this sort of thing. I could use ideas on processing the unbelievable amounts of clothing we end up with, the toys, the art projects, and the seasonal stuff. I'm sure I'm not the only one who feels like it's all getting away from her.

I wish I could just shove it all into an attic or a garage, but I don't have either of those right now. (I'd be willing to bet there are readers who could use tips on organizing basements, attics, and garages, if you've got any ideas for that.) And I watched a show about hoarders that scared the living crap out of me, and now I'm actually afraid I'll get rid of too much stuff in an effort not to end up with stuff that runs my life.

What do you keep and what do you get rid of? How do you manage and store the kid stuff you do want to keep? Will I magically become organized if I buy a labelmaker?

Thank you.