OK looks like they were already on top of the V8, V10 and V12 diesels (versions of the 2.7L V6)
so based on: 2.7L V6 140kw 440Nm
estimates: 3.6L V8 186kw 586Nm
4.5L V10 233kw 733Nm
5.4L V12 280kw 890Nm
pitty about them cancelling the V12 though
http://www.thelandroverchronicle.com/new_page_463.htm
V10 diesel Territory anyone? I want the V12 diesel Land Rover Discovery 3 HSE!