Thank you. Unfortunately that does not help. In fact when I run rdesktop -g 1024x768 192.168.1.33 on my client Elyssa machine nothing happens and I don't get my prompt back until I control-c.
It seems to me, keeping in mind that I am still reading up on this, that my problem comes from the server end. The headless, remote machine. Remote desktop just shows me what the desktop of that system looks like, and that stupid thing defaults to 640 x 480. Maybe I should give up on remote desktop and try one of the vnc servers. A little reading suggests these might offer more configuration options.