The Enhanced Edition is basically just a patched version of The Witcher sold as a Collector’s Edition. CD Projekt promises that in this version we will have “more than 5000 lines of re0written and re-recorded dialogue, more than 200 new dialogue animations, a new character differentiation system for NPCs, an enhanced inventory with improved alchemy, reduced loading times, improved combat responsiveness and much more.”
Beside the game improvements this Edition comes with two new adventures: The price of neutrality and Side effects. Also, the package will include a Bonus DVD with:
I have to admit that the content of this Enhanced Edition is quite tempting, even if you already bought the first version of The Witcher.