If I decided to get a fan controller, which one should I get out of these and why?
http://www.overclockers.co.uk/showproduct.php?prodid=CA-072-BX
http://www.overclockers.co.uk/showproduct.php?prodid=BB-001-ZA&tool=3
http://www.overclockers.co.uk/showproduct.php?prodid=BB-001-NX&groupid=701&catid=2331&subcat=189
http://www.overclockers.co.uk/showproduct.php?prodid=BB-000-LP&groupid=701&catid=2331&subcat=189
http://www.overclockers.co.uk/showproduct.php?prodid=BB-002-LP&groupid=701&catid=2331&subcat=189
http://www.overclockers.co.uk/showproduct.php?prodid=BB-007-ZA&groupid=701&catid=2331&subcat=189
http://www.overclockers.co.uk/showproduct.php?prodid=CA-072-BX
http://www.overclockers.co.uk/showproduct.php?prodid=BB-001-ZA&tool=3
http://www.overclockers.co.uk/showproduct.php?prodid=BB-001-NX&groupid=701&catid=2331&subcat=189
http://www.overclockers.co.uk/showproduct.php?prodid=BB-000-LP&groupid=701&catid=2331&subcat=189
http://www.overclockers.co.uk/showproduct.php?prodid=BB-002-LP&groupid=701&catid=2331&subcat=189
http://www.overclockers.co.uk/showproduct.php?prodid=BB-007-ZA&groupid=701&catid=2331&subcat=189