Did you miss the part where I expressed my impression that it probably wasn’t, merely probably not all that aggressively optimized for any Windows-specific peculiarities?
Also, a table of ‘best performing’ laptops is largely orthogonal to a discussion about battery life (and it also appears to show that $1,200 and $2,100 laptops are pretty good at stomping on a bunch of bargain-basement junk that costs half as much (except for the thinkpad, which has been cut to the bone because the X1 is their ultraportable).
