The University of Wisconsin - Madison has made available its report about institutional discovery services [pdf].
Compare Google searching to the many steps and decisions one must make in order to locate a scholarly article on the UW-Madison Libraries Web site and you get a sense of the problem. [Resource Discovery Exploratory Task Force Final Report pdf]
The main recommendations are provided in a blog entry by one of the authors of the report, Kelli Keclik.
The report has an environmental analysis and reviews relevant products.
This popped up in my ego-feed earlier today: the report kindly refers to some of my blog entries and articles, and also discusses Worldcat Local alongside other systems and services.