Not so long ago, I've bought new, unopened Warcraft 3 Collector's Edition from 2003 (it's not "blizz" CE, but Polish CE, it's just big carton box with few extras like soundtrack, tech tree and Warcraft 2). It was for less than 10€ so why not (lucker maybe). So, I've got this new Warcraft 2 Bnet Edition with unused cdkey, what can I do with that? Can I register it somewhere or receive extra bonusses?
Nope, you can't even register your wc2 bnet edition on the battle.net website, it wont recognize it! CD-key is only there to install the game and play online.