It's looking good.
Damn your prices expensive over there (UK)
Asus P5Q Deluxe - Newegg selling for $230 I just gave Gareth a link for it.
This board had good review from Bit-tech 9/10
Q9450 = $424wow, $395 CDN over here.
Corsair 4GB DDR2 XMS2 Dominator PC2-8500C5 TwinX (2x2Gwith air flow, $130 CDN for without air flow.
Dominator is pretty good overclocking.
OCZ ram is good too.