Google Ming Thein and X1D.....he's written several articles on the camera and lenses as the system has evolved. Each article is followed by a host of reader comments and questions, which he has additionally addressed. Ming is now a Hasselblad 'ambassador', so his writings may be biased, but informative nonetheless.
The lenses, by the way, are manufactured by Nittoh, the same company involved with the XPan lenses, which coincidentally were also a 30, 45 and 90. The X1D 45 and 90 were both available for June demos around the US; the 30 was formally announced at Photokina as expected.
The Hasselblad CEO has indicated that there will be more primes as well as zooms, despite rumors to the contrary.
Jeff