The Sure Electronics 3-axis low-power accelerometer features only 10-bit (still good!) resolution, but the price is excellent!
The DE-ACCM2G is an off the shelf 2 axis 2g accelerometer solution with analog outputs and integrated op amp buffers.
Want to play with a modern 2-axis gyro? Us too, but they all come surface-mount. Good thing SparkFun has these IXZ-500 dual-axis gyros mounted on a convenient breakout board!
This is the breakout board for the IDG500 Gyro, which includes an on-board 2.8V regulator and all pins broken out to 0.1" pin holes.
Looking for Phidgets 3-axis Accelerometers? We've got them. Order them from Solarbotics, because if you don't, we'll scare your cat (just a little).