(Disclosure: This site contains product affiliate links. We may receive a commission if you make a purchase after clicking on one of these links. Read our affiliate disclosure for more info.)
The Elder Scrolls: Skyrim are on sale at GMG currently. Stack it with their 25% off voucher and save even more. All time lows maybe? (non grey market site anyway)
The Elder Scrolls V: Skyrim = $27.00 after voucher. Requires Steam.
The Elder Scrolls V: Skyrim – Dawnguard = $11.25 after voucher. Requires Steam and the base Skyrim game.
The current GMG vouchers are on the Promo Codes & Coupons Page.