TaserStick Included
Kotaku spotted this awesome piece of homemade costume-craft up for sale on Ebay. It's a full Half-Life 2 Combine Metrocop outfit, which apparently even has a voicebox thing to make you sound even more like the game's grumpy evil policemen. The reason for this authenticity is that it was a prop from a short movie, "The Combine Interview", which - along with a closer look at the item itself - I've linked after the jump.
It's currently bid for at $202.