Props to Shokio for trying this out.
It's a workaround but I think if you are not planning to go fully digital(you never go fully digital...) this could be a relatively cheap solution. A reader like this costs maybe 5$, I got one flying around since the one built into my PC didn't read SDXC cards.
Ongoing bet with think-man: He wins if MH4 releases in any shape or form on PSV in 2013, I win if it doesn't.