Just a heads up that after upgrading to Mavericks, Parallels doesn't work any more and requires a paid-for upgrade. -- Christopher Gutteridge -- http://users.ecs.soton.ac.uk/cjg University of Southampton Open Data Service: http://data.southampton.ac.uk/ You should read the ECS Web Team blog: http://blogs.ecs.soton.ac.uk/webteam/