To be honest, speak to the green grocer at your store. You do have a personal relationship, right?
Get to know the guy/guys that do that. They can steer you to great deals and warn you about stuff like stupid name changes. I hate it when that happens to me as a home cook.
As a pro, I don't do that anymore, but when I did, I knew what I was ordering, including demanding a sample if I was unfamiliar.
/johnny
I use WM and HEB here in Central TX, and I do talk to the produce people in both stores, and I do get some great advice in both stores.