> # Clock has gained....
> #
> # /etc/rc : Can't open /etc/rc
> # Enter pathname of shell or return for sh:         [I press return]
> # getcwd() failed
> # /etc/rc : Can't open /etc/rc
> 
> and so it goes on...round and round until I have to press reset :)

Are you sure you're gining it the correct partition to mount as root?

  You're not accidentaly telling it to mount /usr as root?

On my machine wd0a is my root partition and wd0e is my usr partition.

  You have got the right one in the booter dialogue box haven't you?

Ale.