Instructions:Got this is the post today - should imagine (though not confirmed) it will work for anyone!
So if you spend £50 on a case, it will cost £37.50 - no idea what postage is these days!!
***EDIT - Confirmed as only works for existing & registered users only.
E-voucher valid until 12th March 2010. Enter chosen voucher code at the order summary page for discount to be applied. 25% vouchers may be used in part payment against a minimum spend of £50. Maximum one voucher per customer. These vouchers may not be used in conjunction with any other offers, or discounts.