Errrr?
Half the speed of Concorde, half the pax of an 747, only an hour off the transatlantic time and most of that spent in the buffet zone. Yipeeekayay! who’s impressed? All this Delta and SST stuff was covered with in the 1960s and 70s and Boeing got cancelled after spending vast cash to produce nothing solid. Lets face it, Concorde was first passenger delta and did it right. The A380 is whipping Boeing with their own stick and the only response is some pretty artist impression dragged out of a dusty cupboard. Yawn.
And another minor point. Developing a new wing is HUGELY expensive whereas stretching an existing tube and doing a spot of engine development is not - something Boeing has been good at in the past. If big cash is being spent, lets see something that is truly radical. Where’s that stainless steel Mach 3, 250 seat machine that was promised? And whatever happened to the North American B70 Valkyrie? Stuff that full of passengers instead of warheads and it would have been a real head-turner!!!!