Apple wants a consistant style. throughout their range.
That is what they now have, apart from the Mac Pro, but it doesn't really stick out that much.
I think in terms of a laptop for me, it was between a MBP, a IBM Thinkpad, Sony Vaio, or Dell Studio....you can count the MBP out of that list now.
Canon EOS 5DmkII + BG-E6 + Canon EOS 40D + BG-E2N + Canon EOS 33
Canon 17-40 F/4L
USM + Canon 24-70 F/2.8L
USM + Canon 28mm F/1.8 USM + Canon 70-200 F/2.8L
USM IS + Canon 85mm F/1.8 USM
Canon Speedlite 580EX II + Canon Speedlite 540EZ + 2 x Nikon SB-80DX
Cactus V2s Wireless Trigger - 5 x
Cactus V2s Wireless Reciever