May 2011 sees a few touch-screen tablet eReaders passing FCC. They are adding a lot of competitions to the tablet market, a very good thing to the consumers.
Kobo Touch is the one with high expectations. It features a Freescale i.MX508 processor. This true SOC has an 800 MHZ ARM Cortex-A8 CPU and can peacefully parse PDF files with 256 onboard KB of L2 cache memory, with an optimized pipeline wired specifically for the image algorithms, and an OpenVGTM 2-D graphics accelerator. The details of it is under a 90-day confidentiality.
The first generation Kobo eReader (original) was released in May 2010. A tear-down shows its internal chipset: A Samsung S3C2440 mobile application processor, internally an ARM9 (920T) core at 400 MHz, but lacking 2D/3D capabilities. This article has a review written back in May 2010. The FCC filing can be found by searching its FCC ID ‘NOIKBN416’, lots of internal and external photos. Or see here for another disassembling.
The 2nd generation, Kobo Wireless, adds the wifi ability. It may have a FCC ID NOIKBN647. The processor should be iMX353 or iMX357, according to the photos.
This is a great wiki page for techies. The source code for both the original and wifi versions are dumped to Github. Some awesome exploration and enhancement work are in progress. Look at this forum post about how to run updated firmware, and the sticky posts on Kobo Reader Forum.