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G-F could use an on-screen gui-based preference window as has been suggested several times in this forum. I had made a GF preferences GUI using VB about a year or two ago, but that was when there weren't as many and as complicated prefs to configure. If people want help understanding what each pref...

What seems to be considered good visualizations today are those that either look the prettiest & most detailed 3D stuff by requiring high end systems or those that are fluid in changing to the music. I prefer the latter. If I want to look at something that's only pretty, I'll look at something like ...

No, I haven't tried it over a network using Windows XP, but I don't see why the problem would be related to network lag.
If it's you are using your laptop to access the shared drive on your HTPC (Home Theater PC?), then perhaps it's more of a problem with the permissions on your shared folder.

I'm able to edit or delete configs on the fly with Windows, and then just reload them using U or SHIFT+U. Are you trying to remove configs on a Mac?