Is WiFi on the F800EXR of any use?

Do you say that because you are still using a very old EXR camera from 2009?

I'm sure it works well for you but things have advanced since then.  These tools are being made because there are people who really want to use the technology to do something that is otherwise impossible.

Having a card reader is not the issue.  Pulling the card out to read its contents onto another device takes time and disturbs the shoot.  For some people that time could be critical.

The wireless SDHC card allows you to keep shooting while the images are being transferred to an external device.

I bet it makes more sense now!

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Cheers
Trevor G
Silkypix tutorials at: http://photo.computerwyse.com