From the heavyweight Qosmio G40, to the ultralight Portege R500. 12.1-inches, 19.5mm thin, and under 1kg – complete with a 64GB SSD storage option instead of a hard disk.
You also get a DVD writer built-in (only does single layer discs), LED backlight, 802.11n (no built-in HSDPA like in the US, not yet anyway), Bluetooth, and using the ultra-low voltage Core 2 Duo the R500 claims a battery life around 12.5 hours.
$3300 for the 120GB HDD model, or $4125 for the 64GB SSD.