I know that there are set lists under the catalog page for searching analog-only, DTS, AC3, etc. soundtracks, but I think it would be a great addition to also search if the listed soundtrack is mono, stereo, surround, etc. For example, I want to find all listed LaserDisc titles that have a digital track that's Dolby Surround and the picture is also P&S, or I want to find all titles that are Ultra Stereo or RSS encoded but are CAV only. If capable, I think it would be great to search by digital and analog tracks separately. Thanks for reading.