I love my Canon DSLR for the flexibility of selecting high-quality lenses, a plethora of shooting modes, the faithful color renditions, and the high storage capacity I can get with inexpensive SD cards. But I find myself also shooting a lot of photos with my iPhone simply because I want to share those images with the world immediately. The Eye-Fi Mobi Wi-Fi memory card (starting at US$49.99 for an 8 GB capacity) offers a simple way to quickly "shoot and share" from a DSLR through your iOS device.
I'm no stranger to Eye-Fi cards. I currently use the company's Connect X2 card when I'm shooting review photos for TUAW, since I can have them automatically transferred to my Mac without needing to remove the SD card and put it into the computer's SD card reader. You