Hi, I'm searching for some mods with speicific features

1- A mod that without intruding in lore-unconsistent ways marks the quest-related- dungeons you meet ingame so you don't go inside and break the quest

2- A mod that gives you the "cleared" status if you finished exploring the mod ( I guess this could be subbed by map marker overhaul by changing the name of the dungeon)?

3- Has anyone tried this mod? http://oblivion.nexusmods.com/mods/37908/?
Does it break the game like Enhanced daedric invasion ?

I can answer for the first question. You're probably looking for this: http://www.oblivion.nexusmods.com/mods/40436. FYI use mod detectives thread in the future if you're looking for mods.

Second question I got no idea but you kinda answered it. Map Marker Overhaul is way to go as far as I know.

Seems a decent thing.

Well thank you for the answer. I've got another:

http://planetelderscrolls.gamespy.com/View.php?view=oblivionmods.detail&id=2835

Do you think this mod is compatible with OOO and Map marker overhaul? If I remember well OOO removes (almost) every map marker.. Any chance of clashing scripts?

Never used it before so I'm not sure how it works. Perhaps you can load it after Map Marker Overhaul and OOO and see?