Here it is, a nice case to contain everything

• 7" touchscreen LCD
• 2 x Speakers
• RasPi Camera
• Wifi and Bluetooth modules
• 1 USB port available through a hole in the back for an external HUB (version A)
• 3 Ports externally powered USB hub for all of your connections need! (version B) (power taken directly from the DC barrel Jack)

Mounted Raspbian Wheezy and the touchscreen works like a charm out of the box.

Here the part list:

1xRaspberry Pi B+ (should be able to check also the 2 version shortly) 39.95 €

https://www.adafruit.com/product/1914 (or elsewere)

1x Panel Mount 2.1mm DC barrel jack 2.95 €

https://www.adafruit.com/products/610

1x Stereo 3.7W Class D Audio Amplifier - MAX98306 8.95 $

https://www.adafruit.com/products/987

1x Raspberry Pi Camera Board 29.95 $

https://www.adafruit.com/products/1367 (or elsewere, not really needed)

1x Philips SBP1120 Attive Minispeaker 11,87 €

http://www.amazon.it/Philips-SBP1120-10-Attive-Minispeaker/dp/B003YORK8Y

1x wifi dongle of your choice

1x bluetooth dongle of your choice

1x 5V 4A (4000mA) switching power supply - UL Listed 14.95 $

https://www.adafruit.com/products/1466 (actually 3A will suffice)

and last but not least (but with some caveat)

1x HUB charger 3 USB high speed 2.0 ports Hamlet, model:XUSB301M € 16,80

http://www.amazon.it/Hamlet-XUSB301M-perno-e-concentratore/dp/B008PB8KQW/ref=sr_1_1?ie=UTF8&qid=1430912761&sr=8-1&keywords=xusb301m

1x 7" open frame universal HDMI LCD with capacitive multi-touch $ 124.99

http://www.chalk-elec.com/?page_id=1280#!/7-open-frame-universal-HDMI-LCD-with-capacitive-multi-touch/p/21750207/category=3094861

P.S. The 7" LCD works perfectly with Raspbian wheezy but the touchscreen is out of scale with xbmc hence not usable.

The LCD's producer hasn't yet a clue about this issue.

Crossing finger!