Extract From Multiple folders

My font collection is in need of a radical overhaul. I use High Logics Main Type as my font manager. But that's by the by, this isn't about fonts solely. I've come across the situation where I need to collect all the files together from multiple sub folders before.
I want to know the easiest way of extracting all the data from, say, 500+ sub folders, and dumping it all in the parent/a.n.other folder.
At the moment, with fonts, it's a piece of pish, I search for ttf files in the main folder with locate32, highlight them all, cut 'n' paste into the new folder. I then use RED 2.1 to delete the empty folders, go back into the parent folder to see what folders are left, open one, get the file extension, use locate32 to search for file extensions in parent folder, and so on and so forth. Easier to do than type, but still a bit long winded.
Does anyone know of an easier way or a 3rd party portable app.?