Indeed it is, and that applies to bad tea, bad chocolate, etc. But if I tried to get some good wine for £6, and £10, would you definitely tell the difference?You can choose to believe that should you wish to. In my experience of drinking plenty of wines both above and under £10, you can indeed get a nice tasting bottle for under a tenner. You are more likely to get one if you spend over a tenner. I'm not saying go mad, but as Simon Hoggart said 'Life's too short to drink bad wine'