Can someone tell me if this Macbook Air is worth buying from eBay?

http://www.ebay.com/itm/311489550718
I want to use this for traveling. The only things I'm going to use it for is YouTube, video editing, Cinema 4D, Photoshop, Minecraft, and Roblox. $300 is my budget. I know it says out of stock, but the seller said they will have more in stock soon.
Added (1). http://www.ebay.com/itm/311489550718
I want to use this for traveling. The only things I'm going to use it for is YouTube, video editing, Cinema 4D, Photoshop, Minecraft, and Roblox. $300 is my budget. I know it says out of stock, but the seller said they will have more in stock soon.
EDIT:
I found a 2012 model from the same seller for $75 more. Http://www.ebay.com/itm/Apple-MacBook-Air-11-Computer-1-7GHz-i5-4GB-RAM-64GB-SSD-MD223LL-A-A1465-/331715912156 Would this be worth the extra money?

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