The J2ME platform consists of a huge amount of different libraries and optional specifications. An introduction and list of many of them can be found here.
Via java.no.
Some nice tips for Eclipse over at JavaLobby. The ctrl+t is excellent for navigating interfaces and their implementations. I use it all the time now.
I was expecting Series 60 to propagate to the 3xxx series Nokia phones sooner or later, but this is quicker than I thought. It’s a much better platform than Series 40 and is based on Symbian 7. Check out specs. and pics here.