Lis and I always stop by the mini donut stand first; they are amazing and if you order a half dozen, chances are you'll get more like 7 or 8. Then we do a circuit to check out what is being offered and what we might want. Some people do this to check prices. We do this to compare cool factor.
We try and get something new every time. One week it was dragon tongue beans, one week it was red wine and maple cured salmon. (Yes, I eat this now. It was FANTASTIC.) Most of the time though, we just make decisions based on colour. The more colourful the vegetable, the more we want it.