Some are toughting barley as the diabetic "rice". I don't know about you but just because something looks similar doesn't mean it's the same ... think of cauliflower and potatoes. That being said, I do think barley is tasty, especially in soups. You'll just have to try it and then form your own opinion.
Here's a snippet from an article at dLife.com. The link to the full article is at the end.