Ends 12/31. Home Depot is offering Up to 75% off Overstock Items as part of their Overstock Sale. Shipping adds $5.99 or get free shipping on $45+; free in-store pickup is also available.
Amazon has the GrowlerWerks uKeg 128-oz. Pressurized Growler for $144 with free shipping. List price: $199. Features 128 oz. double-wall vacuum insulated stainless steel, CO2 regulator cap with customizable tap handle and gauge, brass carrying handle, includes two 16 gram CO2 cartridges.
Has good Amazon Reviews.