What I mean is http://wowpedia.org/The_Scepter_of_t...ds_quest_chain
For those of you who may not know, the Scepter of the Shifting Sands quest line was one of the longest quests that WOW ever had. It took you across both continents and made you battle several world bosses and fight in many raids (Yes the legendary cloak is similar this quest line was not gated in the same way where a new part of it was added each patch). It was very lore heavy and gave you tons of upgrades on the way... all for a white item http://wowpedia.org/The_Scepter_of_the_Shifting_Sands . This chain was originally for entry into the AQ40 unlocking.
My point is would you want to see massively long quest chains like this as the norm in the future? People seemed to enjoy the legendary cloak line and I was thinking that Blizz should add more long quest chains in the future.