Why the higher-end iPad model will be called iPad Pro

(even John Gruber linked to this, so it must be important ;)

  This new high-end model will be called iPad Pro, 
  not iPad 2 Plus. Why? Well, first Apple isn’t 
  Samsung. The com­pany doesn’t add pre­fixes and 
  suf­fixes except for ‘i’ and ‘Pro’.

is everyone who covers AAPL required to check his brain at the door?

nano? classic? shuffle? touch? air? mini? x? ...?