How does a raid as a whole demonstrate "skill" in raiding? Does anything go beyond the sum of the skill of individual members at playing their own class?

Abananax, for example, seems to push for a boss-DPS-based definition, as evidenced by their aggressive advertising for their guild as "highest DPS in WoW" and creating the http://wwsscoreboard.com/.

However, while pushing high dps is sometimes a judge of your cleverness on an encounter ("Hey...

Kyth