Low end audioquests are really mushey and bassey in my opionion, I will leave it with that infact after trying some I hated audioquest for years. I would never buy there cables until I herd the skys. I am not saying to go that way but higher end audioquests will produce more detail and tighenthe bass. I would try to demo some cables though because they are so specific to what the room needs.
Also what other cables are you running.
Also what other cables are you running.