Discovered this transcript of the 2012 D&D Products seminar posted at ENWorld. In the Q&A section is this rather encouraging bit of info:
Any plans to rerelease the other products for 1E and 2E and other editions, either in print or electronically?
We are looking at making a lot of that older material available to you, but we want to make sure we do it right for you guys and for Wizards. We’ll have more news on that.
Sure, that’s some pretty non-committal language there, but still the attitude is what I want to hear. This is pretty much a complete turn-around from the kind of mentality that pulled all the old PDFs off of Paizo several years back. All in all I’d say things are pointed in a promising direction.