I think someone already answered your question and it's a yes.so would the 750 be powerful enough for my build meationed above?
http://www.overclockers.co.uk/showproduct.php?prodid=CA-116-AN&tool=3
750W will be enough won't it?.
Have you read the thread?
If you already have the antec kuler then it would be pointless to change.
that effect would be ruined by a large chuck of metal sat there.