Bioshock: Infinite - $29.99 at Newegg. Steam key, comes with a $5 Newegg gift card.
For some downloads, it can take up to 1-3 hours to generate your personalized serial number/unlock code. An email will be sent to you as soon as your download is ready. If you have not received an email with your download link, please check your Order History page. You should see a download link and serial number/unlock code next to the order number.