DVI is supported, make sure the DVI_ENABLE=YES tooltype is set in the Radeon monitor driver. No SATA controllers are supported, and I don't think any 3rd party driver exists. There's no firewire support in MorphOS, Sonic was working on something, but I have no clue about the status or if anything will come of that. There is a driver for Prism II based WLAN cards on Aminet.