If your budget is around $100 I’d go with a Maestro outlet that avoids plating altogether. If budget is higher I might consider Furutech with Rhodium plating, but all depends on what sound characteristics you’re looking for. I like more natural sound, which is why I gravitate to these two FWIW…
https://www.enjoythemusic.com/magazine/equipment/0114/audiophile_ac_outlets.htm
http://www.6moons.com/audioreviews/sablon2/3.html
Best of luck.