It has a HDMI port
It also has an analogue TV out.
We don't even know how much RAM will it have
The $25 version will have 128Mb, and there's a $35 with 256Mb.
whether it will run Linux
It will run Linux, originally the hope was to run Ubuntu but with their restricted memory footprint they're having to go with a version of Debian instead. Amazing what you can learn when you watch the full video and actually listen to it.
You can bring any calculator you like to the midterm, as long as it doesn't dim the lights when you turn it on. -- Hepler, Systems Design 182