A big topic of discussion was whether your pricing model should be transparent or opaque. Again, the answers differ by market situation. If pricing is simple and a differentiator, then transparency can speed the transaction.
We had a fair amount of discussion around which metric to use. Any metric will drive customer behavior (typically to minimize it) sometimes to their own detriment. At Plex we have found that our software is most effective when everyone at the company uses it. Therefore, we do site licensing rather than seat or concurrent user pricing.