Most things have now arrived!
Here’s some photos of the gear, thanks to Deal Extreme
The matrix keypad, with the Arduino mega and a NDS resistive touch screen
The DS18B20 temp sensors, for internal measurement and the DHT11 for external condition monitoring.
The BMP085 barometer and the GY-85 IMU compared and contrasted on an xbee anti-static foam pad
The 2 xBee pros on the arduino shield and FTDI/xBee to USB adapter