The one that NZXT sells is the only one I have seen beyond that you are going to have to mod it your self I think. I have done a few myself and they really do not take that long if you have the tools to do it.
there aren't any available on the market as far as I know
if you really want a clear panel, you can call up local machine-shops and see if they're willing to fit a clear piece of acrylic onto the side panel for you (should be cheap for them to do)
The one that NZXT sells is the only one I have seen beyond that you are going to have to mod it your self I think. I have done a few myself and they really do not take that long if you have the tools to do it.
Im a student i dont own any tools apart from a dremel, which i know i can give it a go with,