Most of my tactical experience comes from the Warhammer Tabletop Game, but I would class that as the complete opposite of an easy source. It's an evil, time consuming, expensive hobby. If any of the strategies I learned from that came happen to apply to Guild Wars 2, I might write up an article.
It probably also doesn't help that my favourite military quote is - "No battleplan survives contact with the enemy."
Much of the strategy in Guild Wars 2 will no doubt depend on the overall game mechanics and abilities on offer, so focussed tactics like the old Pandora manoeuvre we won't be able to accurately develope or predict until closer to release - but these sort of things basically boil down to a simple "What do we want to achieve?" and "What can we do with the tools at our disposal to achieve it?".
I can definately echo what Ben/Foghladha has said about it all boiling down to human behaviour, and highly reccommend reading up on any of the Guilds old articles on that subject, as in WAR, managing player morale was easily the single biggest deciding factor in overall victory or defeat. We are not a well trained military force, we are not committed to the task by geography, and the general PuG (pick-up-group) has no ties of loyalty. Players have real life commitments outside of game - the slightest misfortune and your forces numbers can drop like flies, while the promise of impending victory will keep them playing "Just 10 more minutes" for hours on end.