I’d like to "modernize" my system a little bit, but as a record collector, my initial focus is on the turntable. I’ve been looking around, and seems I have several options.
As a record collector you have to focus on your stylus profile if you don’t want to ruin your collection, make sure the stylus is not worn yet, replace your Grado with new stylus. You can’t do that with Supex (only re-tipping). Turntable just rotate your record on the platter and if you don’t have any issues with speed stability then focus on cartridges - this is the most important. This is where you can get huge improvement that anyone can notice. With new stylus on old cartridge (or completely new cartridge) you will get much better sound.