The Gray's Anatomy of Tech Cables
Gizmodo has posted a fantastic guide to your entertainment center or PC's slithering eviscerated bowels: the infinite loops and tangled serpentine mess of cables ubiquitous in the modern technophile's home. You probably won't see anything here you didn't already know about, but that's okay: it's still pretty fun, and could be used in a pinch as a reference if you forgot the name of the bizarre proprietary amphisbaena looping out of your graphics card.
Giz Explains: An Illustrated Guide to Every Stupid Cable You Need [Gizmodo]

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is that the flying spaghetti monster?
Touched by his wiry appendage.
It'd be nice if Gizmodo mentioned that Firewire 800 is backwards-compatible with Firewire 400. You just need a physical adapter to go from one to the other.
Furthermore, I don't really understand why people are so hyped on eSATA, but passover FW800. At least Firewire is bus-powered.
Also, really it's CAT-6 for Gigabit Ethernet; CAT-5e was just the attempt at "future proofing" while the CAT-6 standard was being settled. There hasn't been a good reason to buy anything less than CAT-6 for many years now.
And as for micro-DVI being "dumb" because it's "essentially proprietary by Apple", I've seen plenty of non-Apple hardware use it. (The bizarre one was mini-DVI which I think is only on the 12" Powerbook; micro-DVI looks like a weird USB-A port.) As for HDMI replacing it all... eventually, probably, but slowly.