I've noticed that the majority of the zSilver rewards are vouchers in the razer store. They are shown to be $10 off, $20 off etc. If anyone who has purchased that is somewhere from out of the US do they know if the rewards are claimable outside of the US? And if so, does anyone know if when purchased it transfers the 10 USD into GBP which would be around £8. Just seeing if its worth doing that or getting to one of the rewards. Thanks!