You should also try:
* The longest Journey + Dreamfall: The longest Journey.
*Perry Rhodan
*(Murder in)The Abbey
*Sanitarium
Oh man - wish I was you just starting out this great adventure it is to play adventure games for the first time
After those there's a whole world of old classics... if you browse long enough here, you'll find tons of games, you'll eventually end up playing.
The series of:
Broken Sword, Discworld, Tex Murphy, Simon the Sorcerer and Gabriel Knight - just to mention a few
