We all use Sitecore Admin Pages and DBBrowser is probably not the most frequent one. But how many times DBBrowser.aspx saved your a.. when you needed? When I joined my current team I notice that this Admin Page was looping indefinitely. If that page is not responding for you, maybe you have same issue .
My colleague – Sébastien Boissonneault– found the source of the issue. Here is his blog entry.
DBBrowser is a great tool to investigate and fix content issues that would not be doable through the content editor.