Analog Devices is hosting a web thing on using MEMs gyros & accelerometers, both nifty parts for making selfbalancing robots
http://seminar2.techonline.com/s/adi_apr2011?utm_source=cheetah&utm_medium=email&utm_campaign=11-04-MEMSWebcast"Overview:
MEMS accelerometers and gyroscopes are ideal feedback sensing elements for many types of platform control and stabilization systems. This webcast will discuss typical performance requirements to consider when developing a MEMS-based stabilization system, along with insights on component selection and enabling quick, inexpensive, system-level integration of these functions."