xming and putty are looking to be the best solution
Putty is allready installed so isnt a problem...
xming seems to work (opens an X display) but as yet i cant get it to use the ssh link as windows has firewalled it.. and i cant allow it as i dont have enough rights.
looks like i will have to talk the IT guys into letting me run it.
(they say that they will consider most software requests and being free is an advantage)
and i can make sure that i have a good academic reason to run it....
as for a livecd/usb there is provision in the rules that forbids them
(you must use the operating system preinstalled on the hard drive)
i dont need anything for linux...
all the linuxes here are allready running an X server, and have vanilla ssh insalled
this is so that i can acsess the linux servers from the computer rooms
(and acsess the comp in my room though i wont be telling the IT guys that)