First: I'll really have to read the rest of this thread, since I haven't been paying attention to it.
Anyhow, to start with: I very much like Bob's idea about shops closing: Really, if we're going for realism, here: shops should close late at night.
I also like Deathknight's request for the unlucky character.
However, while at first I thought the "gluttonous pig" idea sounded good: on second thought I think this would be a case of too much burden for the player.
On hunger and thirst, though: I feel that the bars move more slowly than they should in 'reality' (and thirst should move more quickly, since our character is so damn active)... and, like in Book 1, the time of day changes too quickly. I would like to see lengthier days and lengthier nights -- and, since this appears to be summer -- days should be longer than nights . . . especially if this land is closer to one of the poles (although the existence of Crakamir suggests otherwise). If you do this without changing how quickly you grow hungry: that's more realistic.
Also, the thirst and hunger bars are backwards. A long hunger bar should mean you're hungry, not full. Otherwise: call it a food bar and the other a water bar. Those names aren't as obvious, but they become obvious once you start getting hunger pangs or dry mouth or weakness.
Also, I think that bedrest should allow you to recover from sickness.
There're a lot of things that BW can do to add real depth to this game in a way that no other game has done, to distinguish it from other games even more than it already is. This, really, is one of the advantages, I think, of having a simplified, no-nonsense stylization: with less attention spent on graphics, more attention can be spent on world depth.
That's why I find it a little disappointing that Eschalon is not a lot more involved/deep than it is . . . at least so far as I've gotten (lvl 6 and verging on lvl 7).
Also, we should be able to click on the map to travel (preferably zoom) there, I don't know yet if someone else has suggested this.
Finally, I want to comment on BadSector's suggestions, just for feedback/discussion. I'll add a √ where I agree, a x where I disagree and a ~ where I'm ambivalent or uncertain, as well as
[my special Keith Olbermann comments] :
x
[atmosphere, atmosphere!] Another easiness for the player would be visual removal of trees. Now sometimes it's hard to find your way between the trees ot even to see enemies let alone calculating projectile trajectory. It would be nice if the player is able to virtually remove the trees, for example pressing "Tab" key remains only the trunks.
x
[I love the rain and storms, especially when my torch gets blown out... also love when it's cloudy and nights become pitch dark -- great improvement on Book 1]] In my opinion it rains too often.
√
[suggested long ago, still pushing for it] A possibility to write notes ingame and map markers. Again it's not a problem to do it on a sheet of paper but ingame it would be faster

√
[suggested long ago, still pushing for it] The Quickload button loads Quickasave, not need to choose it.
x
[how is this useful? Also, I think it looks great, especially when it fills with clouds] Day/night indicator to become transparent or so on mouse over.
√
[and also: in window mode the bottom edge should not hidden: I have to open up in full view all the time and so cannot access my other applications] Higher resolution.
x
[this isn't a Spiderweb game. BW designed the game this way for a reason.] Ability do drag the minimap, for example by holding right mouse key.
√
[if you mean for "kill # beasties" quests: I agree] Counter for the remaining enemies

~
[absolutely, but I'm not sure if this isn't already the case] As there is maximum damage, there should be minimum damage.
√
[Haven't seen this to be true or not, yet, but I'll trust BadSector: this is necessary for RPG's: all of them do it if they have such quests] Dynamic information on quests, i.g. "kill 23 bugs for someone" changes to "You have killed 23 bugs, return to someone for reward".
~
['twould be nice, but BW probably has a diff't idea of what should be accessible to our hero[ine], so let's not step on his vision] It would be nice to diversify the quest rewards, i.g. potions that give permanent boost to skills/resistances/experience.
√
[not sure what you have in mind, but more diversity is always good] More diversity in equipment.
√
[makes sense, but only if BW also raises the encounter rate, which seems to have been lowered from Book 1. Camping should be riskier -- giving greater incentive for using inns] Health and mana should fully recharge overnight while camping.
~
[well, I suppose it could be helpful for rangers who don't want to 'waste' points, but it's part of the challenge of the game, methinks] Gravedigger's flame amulet like in part one.
√
[atmosphere, atmosphere!] Now there are too much large unpopulated areas, it's boring to walk so much.
~
[can't comment on this yet but I remember Book 1 being way, way too short, though this added to the replayability] The game is a little bit short.
In most cases the player should be able to reach the level cap a little before the ending.
x
[too much work for the player] The food should be cooked somehow, or even you can put cooking recepies that give temporal stats boost, but eating raw rat meat is disgusting.
√
[yes; and special orders/requests are cool, too] Smiths should make stuff on errand from your materials and magic shop owners can imbue this stuff with what the player likes.