tried a quick search and found this
http://www.hardwareking.net/product_info.php?currency=GBP&info=p87956_Intel-Core-i5-2500K--4x-3-30GHz--boxed--BX80623I52500K-.html
never heard of them though and not sure what to make of it.
found them through google shopping here
http://www.google.co.uk/products/catalog?hl=en&q=i5-2500k&gs_upl=21697l23193l0l24232l2l2l0l0l0l0l203l385l0.1.1l2l0&bav=on.2,or.r_gc.r_pw.,cf.osb&biw=1024&bih=685&wrapid=tlif132649208120910&um=1&ie=UTF-8&tbm=shop&cid=6241366433756866403&sa=X&ei=wKkQT6CTHsaXhQfLp52-Ag&ved=0CF0Q8wIwAQ#
http://www.hardwareking.net/product_info.php?currency=GBP&info=p87956_Intel-Core-i5-2500K--4x-3-30GHz--boxed--BX80623I52500K-.html
never heard of them though and not sure what to make of it.
found them through google shopping here
http://www.google.co.uk/products/catalog?hl=en&q=i5-2500k&gs_upl=21697l23193l0l24232l2l2l0l0l0l0l203l385l0.1.1l2l0&bav=on.2,or.r_gc.r_pw.,cf.osb&biw=1024&bih=685&wrapid=tlif132649208120910&um=1&ie=UTF-8&tbm=shop&cid=6241366433756866403&sa=X&ei=wKkQT6CTHsaXhQfLp52-Ag&ved=0CF0Q8wIwAQ#