pcDuino: mini PC + Arduino
http://www.pcduino.com/

new piece of hardware for a cool price of only 59,- EUR
with more power as rasberry pi (of costs of energy consumption)
http://www.exp-tech.de/Mainboards/pcDuino-Dev-Board.html

mini Linux PC (Ubuntu 12.04), so we are happy to use Python to handle the full set of Arduino IO Pins on this board. The  Arduino IO Pins are not located exactly as they are on Arduino Uno Rev3.. but an Adapter Plate will solve that.

Raspberry Pi vs. pcDuino:
http://raspberrypihax.net/pcduino-competition-that-could-take-on-the-raspberry-pi/

59,- Euro ONLY.. exceptional price..
A battery voltage logger based on arduino cost the same..
Arduino UNO Rev 3: 25,- Euro
mSD Shield RTC+miniSDcard: 18,- Euro
ADS1015 12bit ADC: 10,- Euro
Grove Voltage Divider: 6,- Euro
Sum: 59,- Euro

the pcDuino gives you SDcard,12 bit ADC , 10-bit ADC only,
but no RTC?
BUT you get USB for standard Wifi components..which costs many bugs as native arduino shields! thats a huge pricy advantage.
https://s3.amazonaws.com/pcduino/User+Guide/pcDuino+arduino+environment.pdf

http://www.heise.de/hardware-hacks/meldung/Raspberry-Pi-Revision-2-0-kommt-von-Sony-1702339.html

first batch watch sold out..
remembers me Rascal Micro.

its so low cost..
hmm using a raspberry pi for python programming,
to read sensors from arduino board via usb serial,
and control actuators at arduino..
very interessting thing to me
no need to by an ethernet shield/SDcard shield(50Euro), sdcard shield(15Euro)..
thats on the raspberry already..

but i will wait, till first bugs are gone..
dont wnat to be early adaptor..
such boards come up these days, with more or less support behind..
but raspberry pi has potential by SONY?

Arduino neighbourhood:

http://leaflabs.com/devices/#Maple
http://www.heise.de/newsticker/meldung/ARM-Board-fuer-Arduino-Shields-1618108.html

pythonic board

python on nokia handy to steer arduino
http://www.developer.nokia.com/Community/Wiki/Communicating_with_Arduino

python on a chip, only a bit of python power
https://www.xcore.com/projects/python-chip
http://code.google.com/p/python-on-a-chip/

mini pc:
http://www.solid-run.com/products/cubox
http://www.olimex.com/dev/index.html
iMX233-OLinuXino is Industrial grade Single Board Linux computer in very compact form.
http://apc.io

http://www.heise.de/newsticker/meldung/ARM-Board-fuer-Arduino-Shields-1618108.html
http://rascalmicro.com/ you want to buy one? sold out!

wow, a board like Arduino?
using these many available shields from arduino?
and programming not in C/C++
its complete PYTHON !!!

150,- Dollars..  that price could be ok,
hmm for that money i can use a junkyard laptop 100,-euro (lenovo with celeron)
and work with arduino… complete Logic would be programmed at laptop in python..
having more calculation power … managing image recognition, shooting webcam images etc..

i will have an eye on that piece of pythonic hardware