[http://marsbar.sourceforge.net MarsBaR] is a region of interest toolbox for SPM99, SPM2 and SPM5. It is installed at the CBU.
The development version supports SPM5. To use this, start SPM / matlab on a machine that will run SPM5 (see CbuComputingResources#Software).
Then type this at the matlab prompt:
addpath /imaging/local/spm/marsbar/marsbar-0.40 marsbar
to start MarsBaR.