I think that this thread is just Obsolete, of course the exp stages works fine but maybe a bit lower could be better anyway is the skills one that are way too fast i think, most of all the mages magic level that's insane then comes the knight and paladin's skills.
The loot rate just work's fine but as Dariumartins says is not matched with the exp rate. people who exp in Dls for example from level 60 to level 100 or more, some times they dont even get a royal helmet or a dragon scale mail (this is just rumors i heared in game chat) since i never hunt that monster but i can tell you (tested it) a player that's around level 70 that exp on Vamp Brides, Hellspawns, Spectre and such monster's that's on vengoth before loot a boh or something that worth need reach at least level 105.