Celebrim
Legend
See Savage Species and also Monte Cook's Arcana Unearthed/Arcana Evolved alternative versions of 3Ed and 3.5Ed.
It works just fine.
For certain values of 'works' and 'fine'.
I don't think those approaches address the OP's concerns at all. It's possible that they are the best of some bad options, but I don't think the OP is really interested in character building options. Unfortunately, even though in one sense it is interesting, I think 3.X is in a situation where its already complex enough that if you want to add something in you need to figure out what you are willing to give up.