Yeah, in regular battle setting, agility has its place, but what I noticed, and not to pick on strat 3.0, but when it came to massive melee situations with heavy armor, str was much more effective. I was fine with a balanced build, able to duck out of the way of pikes going through the moshpit, but the killing power of strength is effective, because lets be honest, people will always make mistakes.
Battle server, you're better able to maneuver, support your friends, single targets out, and flank, but in the massive melee engagements, 27/12 is probably the most effective build still, and allows you to function if you plan on sinking with the ship and taking out as many tickets as you possibly can in the process. 36/3 builds are excessive and terrible, and are nothing to be afraid of really, but those 27/12's that are the real dangers right now. I don't rightly think we should take that away from them though - I played 27/12, and it should still be an outstanding build. We'll see what the new wpf curve does I imagine.
People can always play smarter though, you know? Creative flank maneuvers that require a ton more thought and risk might be possible with some organization, but right now strength is not only efficient at dealing damage, but also necessary to make aggressive pushes in large battles.
On the other hand, 18/21, 7 WM builds do outstanding damage, though you lack some ironflesh.