The quest account allows you to play Diablo III for Free up to the Skeleton King Boss in Act 1. Note that certain game features are restricted on guest accounts"
How to use:
1. Go to www.diablo3.com/guest
2. Create a battle.net account or log in if you already have one.
3. Enter your guest pass key into the field provided.
4. Download the free client or borrow your friend's game dvd to install the game.
BIN set at 25 will prob lower later