Palm has an IBM Java WebSphere environment available for quite some time – but one needed to register to download it. However, this seems to have changed now – Palm has now offered its WebSphere Micro Environment for direct downloading here:
Palm claims the following units to be supported:
Treo 600 and Treo 650 smartphones, T|X, Tungsten C, Tungsten T3, Tungsten E,
Tungsten E2, Tungsten T5 and Zire 72 handhelds, LifeDrive mobile manager.
All others could obviously use MakeTungsten…