Which Memory?

[Carlosfootball]

So, as you prob know i am getting a new system sorted (hence all the other questions i post in the other parts of the forum).

Its based on the i7920 CPU.

Memory time, im after 6 gig of Memeory

The 3 i have in mind are:

http://www.overclockers.co.uk/showproduct.php?prodid=MY-164-CS&groupid=701&catid=8&subcat=1390

http://www.overclockers.co.uk/showproduct.php?prodid=MY-151-OC&groupid=701&catid=8&subcat=1390

http://www.overclockers.co.uk/showproduct.php?prodid=MY-148-OC&groupid=701&catid=8&subcat=1390

What you people think?