[ALUG] Cobalt RAQ4

I have a Cobalt RAQ4 sat in front of me, which I either need to reinstall with its native OS or stick something else on it. I don;t have any particular purpose in mind for it, although as it has two network ports I'm thinking of using it as a gateway/firewall. Suggestions for an OS/distro? -- Mark Rogers More Solutions Ltd :: 0845 45 89 555