is it worth me sticking with it or getting something faster?
Get something faster, Haswell benefits from faster RAM, this board deserves it

is it worth me sticking with it or getting something faster?

just bout to hit the button last check!
will a Seasonic 860w '80 Plus Platinum' Modular Power Supply
http://www.overclockers.co.uk/showproduct.php?prodid=CA-015-SS
run xfire 7970 matrix platnuims and a 4770k + overclocking them?
cheers