We already knew this much:
* Intel Centrino Duo Mobile Technology
* Intel Core Duo processor T2400 (1.6-1.83GHz)
* 667MHz Frontside Bus
* Biometric/Fingerprint Scanner
* New Design (more of a redesign)
MobileWhack adds information about Toshiba’s “EasyGuard”:
Enhanced, spill resistant keyboard, hock-absorbing materials to help safeguard critical components, The Toshiba Hard Disk Drive Protection System which detects sudden “acceleration” in any direction are all part of EasyGuard technology consisting of four elements: Protect & Fix, Secure, Connect and Optimize.
PC Magazine also has a short article about the M400.