I am looking into purchasing a 1TB Internal Drive but I am stuck between
http://www.overclockers.co.uk/showproduct.php?prodid=HD-257-SE&groupid=701&catid=14&subcat=1279
http://www.overclockers.co.uk/showproduct.php?prodid=HD-336-WD&groupid=701&catid=14&subcat=1279
http://www.overclockers.co.uk/showproduct.php?prodid=HD-257-SE&groupid=701&catid=14&subcat=1279
http://www.overclockers.co.uk/showproduct.php?prodid=HD-336-WD&groupid=701&catid=14&subcat=1279