Here is a thread with a guy using 5/16 bolts and spring pins for quick disconnect.
http://www.yotatech.com/f88/finally-...dwagon-118508/

Removable doors with electric windows info
http://www.pirate4x4.com/forum/showthread.php?t=488460

Slotting the bolt holes(I am going this route)
http://www.wildyoats.com/vbulletin/s...ead.php?t=7254

http://www.yotatech.com/f88/removeab...n-doors-846121

More:

http://www.fullsizebronco.com/forum/...ad.php?t=73678

Toyota: