Zenithink shows their new ST-Ericsson U8500 Dual-core ARM Cortex-A9 based tablet designed by ontim with a built-in 3G HSPA+ modem, bluetooth, WiFi, and a decent 1024x600 screen resolution. The price is $150 for an order of at least 1000 units. They also show a $65 AmLogic based Android set-top-box with a built-in DVB-T tuner.
Huawei has a whole lot of networking equipment on show at CeBIT 2012, here's a guided tour of some of this. Those devices are powering the Internet, they are powering the network infrastructure of big corporations, big university campuses and more. Some of those Huawei optical fiber switches are probably powering the backbone of the Internet.
There are a few booths displaying electronic cigarettes at CeBIT, Kimree are selling millions of them worldwide.
Cubecurated builds virtual 3D exhibition spaces, designing the architecture copying real places or designing new ones, for any kind of exhibition, they build it, host it for art exhibitions and also for any other kind of exhibition.
Vimicro has a new ARM Processor (that I spotted in some few devices at CeBIT), but they are also selling some iPhone and iPad cases. The Vimicro processor representative was not at the booth when I passed by so I haven't been able to interview them about their processor yet.
RightFriend Electronics Technology shows some Freescale i.MX51/53 based tablets, AmLogic and some x86 based Windows 7 tablets.
Boeye shows a Pearl E-ink based e-reader using the Rockchip RK2818 processor and a software optimization for fast page turns. They claim it's as fast as the latest Kindle Reader.
Shenzhen Victory Electronics shows their new HDMI Stick design (just a mockup for now?) with an ARM Cortex-A9 processor. The price is $50 per unit when bought in bulk of at least 1000. Please write in the comments if you know which processor they are using.