Call me crazy, but I still love vinyl records.   I could come up with a million reasons for this, some reasonable and some completely fabricated (personally, I like the crackles and pops!), but any time I find another reason to love vinyl records, it makes me happy.
Here is a creative use for record jackets – these are photos of people mashing up their bodies with the faces on various record jackets.  Some of them are really good, and it really makes me want to dust off my old records to …

A giant wall of sound to defeat the Germans? The ultimate tweeter? Here is a satirical look at “failed audio projects” through the ages.
The Amplifier Institute is a great site to waste some time if you’re into weird sound.  This is a great collection of pictures of seemingly audio-related devices from the annals of history.  See if you can figure out what the heck they really are.
Can you hear me now?
Update Oct 2010: looks like Amplifier Institute website is no longer active. The link used to be: (dself.dsl.pipex.com)