Start using the Undergraduate Research Engine. So far I've been thrilled with the results. A student shortened the url in my Library Instruction class to http://tiny.cc/ure
Thanks go to David Dillard, a reference librarian at Temple University, for creating this cutomized search box. I read about this on his yahoo group, NetGold and have contacted him regarding how this tool was created, i.e. what limiters he set up.