Yes I’ll definitely post back here when I find out from WD.
FYI - In the meantime here is an example of an alternative hard shell, waterproof drive case from eBay that will fit the new 2TB My Passport (*I asked this vendor and he replied that it did… plus the measurements make sense etc.) →
5 Color WD MY PASSPORT Elite MAC 320G 500G 750G 1TB 2TB Portable Hard Drive Case