Hasselblad is rumored to announce a high-end mirrorless camera according to DSLRMagazine which has a very good track record in "predicting" upcoming products. The direct translations is:

"The new format Hasselblad will CSC, rounded shapes ... A kind of luxury NEX"

Back in March PhotoRumors broke the news about a possible new digital X-Pan camera announcement. Hasselblad has scheduled a press conference for tomorrow, September 18th.