Eyefi's always had an intriguing hook: Wouldn't it be easier if you could just transfer photos from your cameras over Wi-Fi, instead of manually plugging into your computer? Its wireless SD cards haven't always worked flawlessly, and they're a lot more than standard SD cards, but they're still worth it if you take photos regularly. Now, the company is announcing its latest card, the Mobi Pro , which appears to fix many of the annoyances its customers have had over the years.