I should add one more caveat that I have. I won't buy anything made of wood, or any type of fabric based item. I'm deathly afraid of bed bugs infesting my house, so I'm leaning more towards plastic things.
There's got to be some plastic cassette cases out there you could find, don't know what you'd do for disc games though, maybe find an old floppy disc case, have you checked ebay for stuff like that?
Famicom carts should be about the same size as Sega for the baseball card box
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Got to leave some room so you can flip through them and lean them all over to close the box.
Post 1000 gents
I picked up two of these 4 drawer rolling carts and slapped them in the corner of my room. http://www.amazon.com/IRIS-4-Drawer...sr=8-4&keywords=3+plastic+drawer+rolling+unit
Good for RGB Cables, Handhelds, Controllers, Power Adapters, etc. I just stack them. Not as cool as having them sit on the shelf with cases but saves some space.
I have this cassette holder from Muji:
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I bought just one, I needed more, but then they discontinued the product, so then I bought these boxes from IKEA:
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My main storage is loaner faux wood cassette holders. They are pretty convenient as you can store between a wall and couch/cabinet easily or also affix to the wall. I also try to buy the cassette 'briefcase' when they're available. My favorite right now fits about 4 columns by 10 rows. On the inside of the front side you can also store your 12 favorite games that face directly a la:
I also like the rolling carts you can get with 3-4 drawers for bulk storage that I don't play often...
If you're looking into other storage options, I really liked this older blog entry:
http://famicomblog.blogspot.ca/2010/11/famicom-cart-storage-my-long-nightmare.html
Thanks.Yeah I saw those dish racks...doesn't look too bad. You got some good taste in games too man.
I just have mine in 2x large USPS boxes