This has been confirmed by Lifehacker to be a genuine deal, not a Dell "mistake" http://www.lifehacker.com.au/2009/12/is-this-29-printer-a-genuine-dell-discount/ Seems to be a small, battery powered …
The cheapest I have ever seen a micro sd card and you can get it online or at the retail store. High storage capacity (4GB) for storing essential digital content such as high quality photos, videos, …