I have become reasonably proficent at video capture and conversion to MPEG-4 and MPEG-2 and DVD authoring. I've noticed, though, that the quality of DVDs made from VHS source is not really that great, not as good often as the original video. I've narrowed it down to the deinterlacing. Although the interlaced DV has the comb distortion effect when viewed on a computer, apart from that it looks a lot smoother and sharper. Turn on deinterlacing in Quicktime (i.e. "single field") or OpenShiiva or ffMpegX and the image becomes very gritty looking. I am wondering if there are better ways of deinterlacing. Unfortunately, I need to show material on both computers and TV, so simply leaving the interlacing in place in not ideal (and anyway, converting DV to MPEG-2 or 4 tends to produce artifacts, especially if the source is cropped or rescaled).

thanks