I have also recently used Blah DVD and i had no problems at all. Once more, the email customer service was extremely quick in their reply, not to mention very helpful. I wouldn't hesitate to use them again in the future.
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Regarding your other point about an unavailable item - The databases used by online retailers are often very similar as they are fed by our suppliers. If an item is incorrectly showing as available please let me know and I will investigate and take necessary action.
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