As far as I can tell the only difference is the integrated graphics, is there anything else that sets these two apart?
http://www.overclockers.co.uk/showproduct.php?prodid=MB-168-GI&groupid=701&catid=5&subcat=1481
http://www.overclockers.co.uk/showproduct.php?prodid=MB-211-GI&groupid=701&catid=5&subcat=1481
http://www.overclockers.co.uk/showproduct.php?prodid=MB-168-GI&groupid=701&catid=5&subcat=1481
http://www.overclockers.co.uk/showproduct.php?prodid=MB-211-GI&groupid=701&catid=5&subcat=1481