Some article about some influencial mods, you decide if so or not. Article is old, and I think they forgot alot of other mods, but hey, it's a relaxing read :).
Someone wrote:PC mods, or modifications, are one of the primary reasons why the PC is often looked on as superior to its console brothers. Mods can be anything from new game modes, to new units, to graphical enhancements to complete game overhauls. However, behind the mods are a team of focused, dedicated people, who rarely get the accolades they deserve. So here is our top 15 list of PC modders.