It's the fastest SSD on the consumer market by a good margin. My main gripe with it is that Apple doesn't provide any affordable option for large, slow storage. Of course you can always go external, but then it won't be so much mini anymore.
12 karma · joined February 19, 2014
As to when it will fly, I expect by the end of the year. They have finally begun static firing actual rocket cores recently, including the heavily redesigned (and another reason for delays) center core.
Edit: Also be adviced that this means Apple hasn't screened this app for malware and privacy issues.