I see the issue as it is hard to convince the entire gaming group, which would otensibly have say 5 to 6 persons, to change from one system that the group has spent alot of time and money on and swap over to a completely new system for a long period of time. For one or two sessions, maybe, but for campaigns lasting years, people feel they are better off playing something they have tons of options of and are intimately familiar with.
The game of choice for my group is 4E, firstly because we all have tons of materials of it and even after so long, we have never even gotten close to try all of it, and have never ever reached epic level to give it a try. Secondly because of our familiarity with the material, it let's players heavily modify their powers and still be more or less balanced: out of 5 players, 2 are using completely homebrew classes, written from scratch by themselves, with me giving inputs from the balance stand point (although my players are quite good at self-regulating themselves, except for 1 guy..)
This to me is what a "One True System" should be: a common platform from which all players are able derive their own fun from. For us, the commonality, universality and ease of modification of 4E is it.
The game of choice for my group is 4E, firstly because we all have tons of materials of it and even after so long, we have never even gotten close to try all of it, and have never ever reached epic level to give it a try. Secondly because of our familiarity with the material, it let's players heavily modify their powers and still be more or less balanced: out of 5 players, 2 are using completely homebrew classes, written from scratch by themselves, with me giving inputs from the balance stand point (although my players are quite good at self-regulating themselves, except for 1 guy..)
This to me is what a "One True System" should be: a common platform from which all players are able derive their own fun from. For us, the commonality, universality and ease of modification of 4E is it.