@ ransomhall shared his Cerbuino project with the community which consists of:
- Cerbuino Bee http://www.ghielectronics.com/catalog/product/351
- XBee Pro, 802.15.4 w/external antenna
- BMP085 pressure (and altitude) sensor
- Seeed temperature and humidity sensor module
- Custom made MakeGPS v2 module (lat, long, and altitude)
Read more about it here http://www.tinyclr.com/forum/topic?id=9223