I'm surprised to read so many people use Gruv Glide. I thought the point was to get stuff _off_ the record before you played it, not add more. I'm interested and willing to learn here. Does Gruv Glide make a big difference over and beyond vacuum cleaning, and does it have any disadvantages ? For instance, does it make the record more likely to pick up dust ? Also, has anyone compared it to stylus treatments for effectiveness ?