What kind of requirements gathering are you interested in?
If you are doing requirements gathering for software devlopment, take a look at Mindjet Requirements Manager which turns topics into work items (requirements) on a Microsoft Team Foundation Server.
Michael
As Volere translates nicely into a template, it's only shifting from "Word-based" to MindMap-based.
One must be able not to let the predefined structure get in the way of the creative mind.