The Nifty MiniDrive is absolutely that.
If you’re running a MacBook Air or the new MacBook Pro, take notice:
With the Nifty MiniDrive, you can expand your storage space by easily inserting a microSD card:
It’s as easy as that!
But wait, it gets better.
Although this is a Kickstarter project, they’ve already met what they were asking for … by over 20 times the amount! (It may be higher now, too.)
Considering the Kickstarter pricing, I would expect it to be in the $25-30 range.