I loved the way Hinterlands brought to life the many faces of the mage-templar conflict. I loved all the mini dramas--and was glad to do my part to feed the hungry and bask in Solas' slight approval, all while collecting a nice stack of ram leather for use in crafting. As I mentionned earlier, I think they need to adjust mechanics. Bioware's implementation of the search key coupled with so many points of interest being marked on the map doesn't exactly encourage player delight at spotting an odd glint in the distance. To me it feels as though they went out of their way to turn the fun of exploring into a chore, but at least so far I think they've done a fine job of populating the world with sights worth investigating.
My primary grumble with the game and the open zones definitely centers on the search key/looting system. Also the horse - I love the mounts but why use them when you can't search while on them? Ugh.
I set up a system early for myself - as I moved towards a quest point, I made it my business to also gather any tertiary things in the area, such as shards or whatever crafting mats were there. After 5-10 mins of this side gathering, if I hadn't yet reached the quest point, I cut off all the searching and beelined directly for the quest to keep myself from doing too much tedium work.
I found overall that outside of a couple of annoying shards *eyes Exalted Plains* I was usually able to comb an entire area including the quest and this kept things moving at a good pace w/o me becoming bogged down in busy work.
If there's one other complaint I'd raise, it's that there's so much side stuff to do it's WAY too easy to outlevel the game and find things trivial at the moment. I sometimes wish the main plot enemies would scale with level at least as right now I'm just basically slapping anything around without much effort.
Did get my ego checked by a level 20 rift and a rather hairy set of add-chaining in Emerald Graves when 2 giants and 4 brontos all aggroed me at once followed by 3 more brontos respawning xD