Last month ISilo had a beta testing of their ISilo version 5.0. They are continuing on their Beta testing with another program good until August. The earlier program ended in July and this one will continue til August. Of course they want you to report problems(not required) http://www.isilo.com/
Th-55 U, T/X, TG-50, Handspring Deluxe (3) and PSP user.