I've seen many different versions of pop filters that mount on the vocal mic stand. I have a generic fabric one that seems to do okay. Is there a noticable difference when using one that's made of something else? Is it a worthwhile investment? Or will a fabric one do? I'm currently using a StudioProjects C series mic, if that matters. The StudioProjects pop filter looks neat and all, but I don't know if it's really a big deal or not. Also, the foam mic cover/windscreen. Do people use those in combination with the stand mounted screen? I've avoided them in the past... but is it worth trying?