I used random.org to randomly choose 3 numbers...
First number generated was 56, which belongs to the comment made by "13"...you have won a £25/$38 spend in my store!
Second number generated was 1, which is the comment made by SomethingUnique, you have won a 50% off code redeemable in my store!
And finally the third number generated was 28, which is the comment made by Cilla, you have also won a 50% code for my store!
Big thanks to everyone for participating!!