I've ordered a Fractal Design 50mm Silent Cooling Fan with OcUk.
https://www.overclockers.co.uk/showproduct.php?prodid=FG-005-FD
FurMark for 10mins gives the following on a windowed test:
Card 1 : 99'C
Card 2 : 51'C
For a fullscreen test:
Card 1 : 91'C
Card 2 : 90'C
The cards are standard, not overclocked or 'unlocked' in Catalyst Centre either.