Ahhh... Citrix Metaframe. That 'splains a lot. You're right, they'll have the workstations locked down pretty tight, if they're smart (but then, we've already addressed that, haven't we?). Sounds like they've got the whole network running on some kind of thin-client architecture.
Metaframe is for L____... oh, nevermind. I so completely detest the attitude that produces such things. It's completely antithetical to my whole world view.
Isn't that why you hang out of FR?