I ordered my free black Bumper last week and it initially said the item wouldn’t ship until late August. I received an email from Apple yesterday night telling me my order had shipped. I suppose I will receive it by tomorrow.
If you have an iPhone 4, you’re entitled to receive a free case from Apple so make sure you check out these instructions on how to get it. If you’ve already ordered your free case from Apple, you should start receiving a shipment notice soon as well.