Heres a project that makes a lot of sense, more details below:

Yifan Lu has started a project on Indiegogo to fund a 3G to microSD card adapter for hacked PS Vita handhelds. Quote: 'The Idea: Vita memory cards are too expensive and it would be nice to be able to use a microSD card. The 3G feature is pretty useless. Combing those two thoughts and I decided 'what if we replace that modem with USB storage?' This works because the Vita's modem port is simply a USB 2.0 port that uses the miniPCIe form factor. A hacked Vita running 3.60 has the ability to load custom drivers, and it is just a matter of putting all the pieces together

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