stulid said:
Or for an extra £6 on top of that, a Z68 board with SLI/Crossfire:
http://www.overclockers.co.uk/showproduct.php?prodid=MB-458-AS&groupid=701&catid=5&subcat=1990
The absolute cheapest that you can overclock with:
http://www.overclockers.co.uk/showproduct.php?prodid=MB-448-AS&groupid=701&catid=5&subcat=1906
Id save the money and go with this, I've read of a lot of people using it
These chips overclock very well. Both my Core i5-2500K and Core i7-2600K hit ~4.4GHz, fully stable, using the stock low-profile cooler.