It has already been stated by tamriel foundry that combat logs and number addons will be available on the day of the launch, and available from their website. The addons for this are already in development and have been tested in the beta
Those Guild events you are describing are more for the extreme competitive groups. You are going to see that on PVP groups. That is a perpetual arms race and that is going to happen and rightly so.
It seems to me that this MMO being TES also allows for more immersion, solo play and do what you want Elder Scrolls style. The RP and PVE guilds look like they will have more fare to offer its members as well.
Templar/Cloth/Dual Restorationg/Orc .. why would I tell people my plans I want it to be a surprise when they fall to my blade .. for money .. for fun .. for contract .. I only need 1 of the 3.
imma make a 2H nightblade tank and be all like /shrug about it
I'll make a NB Imperial with Tons of LifeStealing Skills!