Woot.com

This website, Woot, offers a single product for sale every day, often at a shockingly deep discount. The guy describes the day's product with a witty pitch. Here's an example in which he compares today's "Excalibur" USB memory stick with the original Excalibur:

Storage Space
The Sword Excalibur: None to speak of, although in some tellings of the legend, Morgan le Fay magically adds a slot for SD/MMC cards.
Excalibur 4GB USB 2.0 Portable Drive: 4 GB, duh.
Advantage: Excalibur 4GB USB 2.0 Portable Drive

Magical Powers
The Sword Excalibur: Blinds its enemies when first drawn.
Excalibur 4GB USB 2.0 Portable Drive: Under the right conditions, can allow the bearer to communicate with clams, mussels, and other shellfish. At press time, nobody has ever found those conditions.
Advantage: The Sword Excalibur

Etymology
The Sword Excalibur: Unknown; possibly derived from Old French, Latin, or Welsh.
Excalibur 4GB USB 2.0 Portable Drive: Known; derives from the sword.
Advantage: Excalibur 4GB USB 2.0 Portable Drive

As A Melee Weapon
The Sword Excalibur: A guy with a big enough gun could still kill you.
Excalibur 4GB USB 2.0 Portable Drive: A guy with a big enough gun could still kill you.
Advantage: Draw

I give him credit - it's pretty funny. The Etymology is my favourite one. Not sure I'll buy it though - USB memory sticks are sort of down and out with the prevalence of wireless...