Well first up thanks very much Paradox for such a generous gift to all of us! I've been looking at purchasing EU3, having spent most of the year playing nothing but CK2 and getting the Victoria Collection a few months ago. Unfortunately I'm very time and money poor at the moment and held off on spending money on something I wouldn't use for quite some time. Now I think I'm much more likely to pick up EU4 when I'm time rich and money less-poor in the not too distant future! 
Having said that, is there a going to be window in which to redeem the Steam keys? For the past 4 years my only proper internet access has been from work, thus Steam has never been something I've dealt with and I've been buying your games at gamersgate. Since I probably wont be getting a Steam account for another few months, will I be able to redeem the Steam key then, or should I make the effort to do so sooner rather than later?
Having said that, is there a going to be window in which to redeem the Steam keys? For the past 4 years my only proper internet access has been from work, thus Steam has never been something I've dealt with and I've been buying your games at gamersgate. Since I probably wont be getting a Steam account for another few months, will I be able to redeem the Steam key then, or should I make the effort to do so sooner rather than later?