Dire Bare
Legend
And I don't even like Lemon Curry, but that's what I voted for.
I can't ever see them doing a character builder for previous editions, as that'd be just too much effort for what's (to them) an unsupported product.
Now, I do think they should make available PDFs of old supplements, adventures, etc. Like they used to.
Brad
Yeah, I don't think they would ever update the Character Builder with older edition rulesets. There is no practical reason to do so, despite why many older edition fans might think. There just aren't enough of you who'd be willing to pony up some cash for it to make it worthwhile.
But if I ever win the PowerBall lotto and then purchase WotC, I'd make it happen!

And it would be great if they re-released the electronic format older edition books, that would certainly be worth while and would dramatically increase the worth of DDI.