A long gap since the last posting - apologies. I was in Mull for some of the time, but mostly it is just idleness and bad planning that has led to the silence.
PubMed now displays "clipboard" next to the search box, if you have added items to the Clipboard, and this is preparation for the retiral of the tabs. The possible implication, reading the NLM information, is that these features will go to the advanced search screen?
The "recent activity" box - cause of some debate on medical library discussion lists - can now be closed.