Not a competitor as far as the size factor, but since there is a lot of interest here for 10" tablets, posting. The nice thing here is linux support.

http://www.realease.com/?page_id=215

Size and weight

* Height: 10.55 inches (268 mm)
* Width: 6.61 inches (168 mm)
* Depth: 0.63 inch (16 mm)
* Weight: 1.76 pounds (0.80 kg)

Hardware specifications

* ARM processor: FreeScale iMX-37
* (iMX-51 Cortex A8 2H2010)
* LCD 10.1“ resolution 1024×600
* Multi-Touch Capacitive panel (with coverglass)
* RAM 256MB DDR
* 4GB internal Storage NAND-Flash (4GB to 64GB optional)
* Ethernet 10/100
* WiFi (Atheros) b/g (2H2010 WiFi n)
* Bluetooth 2.0
* 3G (with internal USB dongle optional)
* Zigbee (with internal USB dongle optional)
* SDHC card reader
* 1 x USB 2.0 external port
* 2 x USB 2.0 internal ports
* Audio in jack (mic)
* Audio/Video out jack
* Light sensor
* Motion sensor
* Accelerometer
* Camera 2 Megapixel
* 2 x speakers 2 W RMS
* 2 x microphones
* Battery internal (3 to 8 hours)
* 5 buttons (on/off, + / – , home , menu)
* Foldable foot
* VESA mounting
* Kensington lock

Software Platform, application building blocks and SDK

* Linux 2.6.28 based on Angstrom distribution compiled with openembedded.
* Webkit browser
* QT 4.6
* SQLite Database
* Multimedia player

Price is
http://www.realease.com/?page_id=291

Sorry, but 1.76 lbs is way too heavy.

software and hardware choice is interesting, but the price is just nasty when compared to the archos 101.