For those of you who aren't massive geeks like I am, steampunk is a subgenre of science fiction that usually takes place in 19th century Victorian England, and is generally credited as having been popularized in mainstream fiction with William Gibson's The Difference Engine, and even moreso with Alan Moore's the League of Extraordinary Gentlemen (the graphic novel, not the awful Sean Connery movie.)
WETA Workshop is Peter Jackson's special effects company, and along with Stan Winston studios, is probably the coolest company working in practical effects today. They have constructed an amazing line of hand-crafted steampunk rayguns that are so awesome my head actually just exploded. Check them out:
To find out more, click here, and I would also like to remind everyone that Christmas is rapidly approaching, and Lord Cockswain's Ray-Blunderbuss "The Unnatural Selector," is selling for only $7,900! It's a steal!
Oh, and also check out Steampunk Star Wars, a really neat reimagining of the Star Wars universe in a steampunk context.