hi! you can resize your partitions and keep the sharp,cacko or open zaurus boot because the ipk install a bootloader
the 3, 4 and 5 step you can do in install script and setup network and other thinks...
The system run ok and I haven't got any error...
I'll downloaded all packages of the ftp site for easy use but, it is no necesary. (recommended because is more fast )
See you...