okay.
for the roms we have
openzaurus
pdaxrom
cacko 1.23
sharprom
bsd
now for the software-you need to tell us what you are running. There are TONS! of software that run on the cxxxx series.
make a signature so people can help you better! just ask a question and people will be happy to help!
I currently play full movies on my zaurus, have an extensive audio library with my 16gb diskspace, literally run over 2000 games on my zaurus, have the wikipedia on my zaurus hardrive, that is only for entertainment. It basically is my pc away from home.