Lee Jay: "If you're looking for a Wi-Fi card that's simple to setup and blasts images off into cyberspace in a matter of seconds..."
Unless you are a real-time photo-journalist, there's no good reason to do this, and it's generally a bad idea for multiple reasons.
If you are a commercial photographer and want to get a reaction from your client, this is ideal. If you're a astro-photographer and want to see the image on a laptop. So it is not a waste at all
IS on a wideangle? Maybe if you parkinsons disease. I hand hold 24 down to 1/10 a second with no problem.