This one is being called the "slimmest and lightest Windows 7-based tablet in the world" and as its model number suggests, it's related to the current X70 EX. Viiv is referring to it as the "second version of the existing model."
CPU: Next-generation Intel CPU
RAM: 1GB / 2GB
SSD: 32GB SATA SSD (64GB available), read/write speeds of 100M/70Mbps
OS: Windows 7 Starter / Home Premium
Screen: 7-inch (1024×600) Clear Type LCD, 16M color, capacitive multi-touch
Wireless: 802.11b/g/n, Bluetooth, GPS, 3G or WiMAX or EVDO
Sensors: Accelerometer, ambient light
I/O Ports: HDMI, microUSB, microSDHC
Cameras: 3MP rear camera, 1.3MP front webcam
Battery: 5600 mAh, 21W, 6.5 hours of operation
Weight: 420 g (0.926 lbs)
Thickness: 14.3mm (0.56")
There's more overlap with the X7 than I expected to see, so I'll have a look at the two products in person when the Viliv booth opens on Thursday to double-check that the specs are accurate.