There comes a time when one asks even of Yahoo, even of Google, "Is this all?" Yahoo and Google do an admirable job of categorizing the Internet and making its contents more accessible. But ultimately they're search tools, not research tools. There's a great deal of information not on the Internet, particularly thoroughly researched, carefully checked information. Information professionals have long known this, and it's for this reason that they use high-end research tools such as Dialog, at <www.dialog.com&gt;, and LexisNexis, at <www.lexisnexis.com&gt;. In recent years both of these information aggregators have made their offerings more affordable for more casual business users, and both services are worth a look. But there's a middle ground between the high end of the commercial research databases and the free Web. It's a middle ground, though, that has presented some pretty tough terrain for companies treading upon it in the past. This document describes a few of these middle ground services.