Transcend's SSD upgrade kits for the MacBook Air or Retina MacBook Pro are seeing substantial discounts today on Amazon. The upgrade kits swap out the modular SSD board on older versions of the laptops (alas, they're not compatible with the more recent models) and uses your original SSD as a slim external USB drive. But the deals are only good for today, so if you've been stymied by your limited storage space, you should take a look now.
Full story from the iMore Blog...