I have witnessed over the years, the loudest applause for: calendar printing options; resizeable dialog boxes; a new web 2.0 discussion database template.
Your audience (customers) want this.
I know you need to sell the advanced products, the future, the stuff for the Fortune 50 (SAP, Portal). Though ...
Publish a replica of an official Lotusphere Session database. Some time bevor Lotusphere starts for planing, until all presentations are attached to the sessions.