will these fans be useless?

[ekam]

i will be getting this case soon:

http://www.overclockers.co.uk/showproduct.php?prodid=CA-161-AN&groupid=701&catid=7&subcat=160

and was wondering if my two fans will be of any use in this case as they are quite decent. They are :

http://www.overclockers.co.uk/showproduct.php?prodid=FG-002-NC&groupid=701&catid=57&subcat=

thank you