CONTAINSTABLE returns a ranking value - but the article doesn't say what that ranking specifies!
Well, I'll try it out shortly.
Aha, this tells the tale:
http://technet.microsoft.com/en-us/library/ms142524(v=SQL.105).aspx
... though at a brief reading it is not very clear.
Well, some more research and trials tomorrow should help.
Thanks!
Josh