When PCWorld executive editor Brad Chacos reviewed the GeForce RTX 3060 early last year, he said it was “fine.” Not exactly a ringing endorsement — he felt that using 12GB of GDDR6 memory on a GPU obviously targeting 1080p gaming was overkill, and a detrimental expense at a time when graphics cards were impossible to find for a reasonable price. Today Nvidia has revealed a more economical 8GB variant of the RTX 3060, which is probably the card it should have released over a year and a half ago. The 8GB variant of the card gets an unceremonious introduction: just a new line on the RTX 3060 Fami…