Valve leaker claims the Valve Deckard headset is set to launch this year at $1200, including first-party games or demos.The headset, codenamed Deckard, is a wireless standalone headset running SteamOS.The $1200 price point suggests the product will have high-end components and specifications.Deckard's 'Roy' controllers were previously discovered, indicating it can be used for flatscreen gaming and does not require a PC.