The board looks interesting, with a little concern that the game is just a side point here anyways. Here in these leaked images the price for Euros is there, as well as more details....
50 models, 48page rulebook, 8 board sections, cards and dice: £100/€140
Riot from twitter
WD contains all 40k rules for members of the deathwatch, 40k rules for the broodkin in next WD.
Also in the images is the cover of next weeks White Dwarf.
via Reaktor Miniatures who already has the White Dwarf
You can also see them here