It's only logical that you'll end up writing down and storing a bunch of your passwords. Our advice is to keep a few mental megabytes of really important login info; like the passwords for email accounts, online banking, credit cards or utility bills; in your brain. The rest; like logins for newspaper subscriptions or casual message boards; are OK to write down and store somewhere.
So if you're writing down your passwords, where do you keep them? You could try this DIY password safe hidden inside a floppy disk or the "Top Secret Password Notepad" (pictured above), but we bet our ingenious readers have some brilliant solutions... so let 'em rip in the comments!
(Desk image from BinaryApe under license from Creative Commons, My Top-Secret Passwords Pad available for $7.50 from KnockKnock.biz)