JPEG Compression - Can you tell the difference?

Lossless PNG Screenshots from files showing different JPEG Compression amounts. Which look best to you? What compression rate do you usually use? Quality 90: 1.3MBQuality 80: 843KBQuality 70: 601KBQuality 60: 335KB  Quality 90: 3.8MBQuality 80: 2.4MBQuality 70: 1.7MBQuality 60: 883KB   The answers are in the file names - showing the quality amount 60, 70, 80 0r 90. Episode 6 of our Lightroom series, out tomorrow, will have all of our tips about exporting intelligently!