I hate the vanilla leveling system. Not much else to say on this matter.

I know there are various leveling mods that suit varying players. I'm the type of player that likes to "mix" skills (combining combat and magic skills and so on). I've heard about Galsiah's Character Developement, which sounds promising. However, it's been said that the mod is more suited for "pure" characters (100% warriors, 100% mages, etc.), which isn't the type of character I'd like to play as.

Which mod would suit these preferences? As an added bonus, if the mod allows me to choose the leveling rate, all the merrier.

Thanks for the help.

Gluby's Guide has a very detailed section on the levelling mods availabe for you : http://www.mwmythicmods.com/Gluby/Gluby_CharacterDevelopment_Mods.htm