The pictures you found on BKs picture gallery seem to be depicting their new ESC Cool 250/40. The first pic is the boat version with water cooling, and the other ones are showing the car version. Specs as stated 14s lipos and 250A cont (500A burst). Release date seems to be february 2008.
This ESC was tested in 1:5 cars (13,4Kg).
Videos can be found
here and
here.
Seems to be a serious competition for those new big schultzes.