The IMU arrived today; looks pretty neat; someone wrote it looks like a christmas tree with red, gree, blue LEDs - but you can turn them all off in the software. Talking about, that's just amazing, you've got debian packages for all architectures, language bindings for all common languages, and the trick is it runs a daemon that translates USB to TCP, so if you write for example for the JVM, you don't need any native libs.