Q. I have an Audio-Technica AT-LP120-USB turntable and would like to upgrade the cartridge. My budget is $100-$200. I am finding that my price range has relatively slim pickings and the cartridges in this segment are largely ignored by reviewers. As I look around, most of the recommended cartridges are budget models under $100, or step-up models selling for well over $200. Surely there is something in my sweet spot that will make me smile? —M.S., Milwaukee A. I strongly recommend the Goldring E3, which sells for $169. It will surely make you smile! You may not have been familiar with the Goldr…