Yo We had a great meeting last night at GLUG, really enjoyed the talk from Gerd on HPC. Before hand we were talking about colour differences and RIck has sent this link to have a look at. http://www.ddj.com/184404848 -- Phil Ironside 01684-561495 http://creativespaces.co.uk http://malvern.lug.org.uk http://birmingham.pm.org