Hi synesis,

For personal use I did implement some ANSI color support, you can find the patch on my blog:
http://silicone.homelinux.org/2009/04/02/ansi-color-support-for-xrootconsole/en/

patch: http://silicone.homelinux.org/repository/unpackaged/xrootconsole-ansi-color.patch