Looks very similar to a Mac Mini:
http://www.wesena.co.uk/article.php/...sing_itx2_case
It is around £80:
http://www.wesena.co.uk/product.php/5/2/itx2
http://www.scan.co.uk/products/wesen...oogle+shopping
http://www.scan.co.uk/products/wesen...oogle+shopping