The upgrades are as follows:
Processor has been upgraded from 1.2 GHz Intel Merom to 1.4 GHz Intel Penryn
Front side bus has been increased from 533 MHz to 800 MHz.
The 2MB L2 cache has been upgraded to 3MB.
Memory has been increased from 2 GB to 4 GB.
ExpressCard slot is now offered in the standard configuration.
Wireless networking capabilities now include draft 802.11n.
Minimum HDD has been raised to 160GB and maximum HDD has been raised to 320GB.
The V100 has also received certification by UL 1604 which allows safe, spark-free use of the V100 in potentially explosive environments.