I got two separate batches from discus origins and snookn21. One group died over the course of a few weeks, one by one. They started swimming slowly then wouldn't eat, then bloated and died, but this isn't very uncommon for juvenile of this species. The other group, I bought later in the season and they had been in quarantine for a while, and were the last ones left at the supplier.
Both however arrived healthy, acclimated well, and are quickly eating. It's just the luck of the draw with these guys, so don't feel cheated if you get some that don't make it. Both of the above are great places to get these guys when they come back in season.