>Are there any others besides CVS and STABLE.
    No. Only those 2. Unless I'm mistaken.
>     When someone downloads using "cvs checkout -r v1-0 ...." what version
is
> that, CVS or stable?
    The 1.0.* branch is refered to as STABLE. Anything above that, is called
CVS. (Also called CVS-HEAD)
-Matthew