Memory requirements for Java VM

[Omar Eljumaily <omar@xxxxxxxxxxxx>]

Hi,
        I want to run several Java daemons (servers) 
on FreeBSD.  Anybody know what kind of memory I'd be
looking at to have the VM resident?  I'm udating my
mother board and am thinking of getting 64k.  Wondering
if that's going to be enough if I have Apache, Sendmail,
etc as well as Java.

Thanks,

Omar