I definitely wanna see these enhancements, but at the same time I'm wondering how well it'll play with the many, MANY mods that the BG community has made over the years, especially since many of the people who made those mods have moved on and probably wouldn't come back to update them for whatever changes this new version makes (assuming it's even as easy to mod as the current ones are).
Basically, I'll wait to decide whether I'll get it until we know more about what it brings to the table, as well as how our current mods will interact with it, if they do at all. If it doesn't work with our current mods and doesn't compensate with enough new material, I'll probably pass
Edit: According to http://www.escapistmagazine.com/news/view/116361-Beamdog-Boss-Reveals-More-About-Baldurs-Gate-Enhanced-Edition
, they're keeping the 2nd edition ruleset, the music, and all of the original soundfiles. They're also trying to play nice with existing mods, so we might be able to get the best of both worlds, here. :)
Of course, they're also releasing BG and BG2 separately, but I suppose I can live with that. At least they're not making us buy the expansions, as well.