I think it's the fact he's labeled it up as being an Alienware PC - Alienware being an expensive premium brand in gaming PC's. Looks like it's an Acer he's just labelled up with stickers and a dual operating system boot, which is a little amusing I suppose
It's a bit like taking a Vodafone own brand qwerty style handset, putting it on eBay and labeling it as a genuine Blackberry I suppose.
...You're pushing the knowledge and humour boundaries a bit there though Ed