I too would be interested in hearing how directly compatible it will be with earlier versions, having been burnt by the "upgrade" to PS3 and being unable to use the PS1/PS2 game disks (although will be unlikely to purchase as the PS3 in house has been demoted to a blue-ray player).
Nope - was commenting that Lewis usually handles the topic...I am just an interested reader, and enjoy the balance provided by El Reg to the overwhelming "we're all gonna die" from everywhere else.
The only problem being that if we find the answer, it will be replaced by something even more inexplicable....or given that potentially 2 particles have been "found", maybe that is already the case.
I had to look twice - I thought that was a sofa the car was avoiding (shades of Ford and Arthur) - then realised it was a tank....hence the need for missiles.