Tangent Alert
What's with all the Drizz't hate? Sure, I'm not a fan either. I've never read the books and I'm not really even much of a Forgotten Realms guy either. But, is there a single more recognized D&D character in the world? R.A. Salvatore has probably done more to put D&D on the world map than anyone else. Either than Wiess and Hickman, no one comes even close.
We could do worse than chucking a Dark Elf on the cover of a book or two if we want to attract some new gamers.
/end tangent.
I do think that we need iconics. I know there was a blog post at Boing Boing a while ago praising Paizo for having more ethnicity in their PHB. The response to that is, while it is true, a large number of the iconics in 4e aren't human. It's not like you can really get an ethnicity out of a Dragonborn. And Tiefling with identifiable ethnicity might be a REALLY bad idea.
OTOH, for the humanoids, I got no problem mixing and matching a bit. Although, there is a bit of difficulty. If you have an African Elf for example, how do you distinguish that iconic from Drow? That sort of thing.
If it were up to me, you'd have a stable of iconics. LOTS of them. Two for every class, maybe three even. Mix and match. I don't think a simple four iconics is a good idea. It's too limiting. For one thing, if you have 4 iconics based on traditional fantasy (think LotR) then you are ignoring a rather large segment of players that like to play non-traditional races. Go dungeonpunk and the older crowd is screaming bloody murder. Go Anime and all sorts of midden is going to hit the windmill.
Instead, let's have about 20 or 30 iconics. Spread them all over the place. Sometimes they're teaming up with different iconics. Sometimes they might be fighting or competing with other iconics.
Look at most superhero team comic books. Justice League, X-Men, Avengers. You don't have just four characters all the time. You have a whole stable full of characters.
That's what I'd like to see.