You must have few hairs left then :) I worked a bit on j2me on Nokia and ran away very quickly. Cross-device testing was a massive (and expensive) issue. Definitely it was not comparable with the ease enjoyed on iOS today, where there are very few devices and the emulator is enough most of the time.
The only hair I lost on those days were caused by Symbian C++ and the multiple reboots on the development environment, from Metrowerks all the way into the burning platforms memo.
