I've added a couple of slides about the data services to the presentation for next week's OGSA webcast. You can see the set at http://tinyurl.com/gu4d3. If you have any comments, plase let me know before Monday. <http://tinyurl.com/gu4d3> . Dave Berry Deputy Director, Research & E-infrastructure Development National e-Science Centre, 15 South College Street Edinburgh, EH8 9AA +44 131 651 4039