Which of these would be the best router most stable ? 
http://www.overclockers.co.uk/showproduct.php?prodid=NW-053-LS&groupid=46&catid=115&subcat=
http://www.overclockers.co.uk/showproduct.php?prodid=NW-001-ST&groupid=46&catid=115&subcat=
http://www.overclockers.co.uk/showproduct.php?prodid=NW-004-BI&groupid=46&catid=115&subcat=
http://www.overclockers.co.uk/showproduct.php?prodid=NW-053-LS&groupid=46&catid=115&subcat=
http://www.overclockers.co.uk/showproduct.php?prodid=NW-001-ST&groupid=46&catid=115&subcat=
http://www.overclockers.co.uk/showproduct.php?prodid=NW-004-BI&groupid=46&catid=115&subcat=