I guess I'll do it too, why not. Approximate, especially since I haven't listened to some of these in years, but:
1. Images and Words
2. Metropolis, Pt. 2: Scenes from a Memory
3. A Dramatic Turn of Events
4. Train of Thought
5. Awake
6. Systematic Chaos
7. Black Clouds & Silver Linings
8. Octavarium (not intentional)
9. Dream Theater
10. Falling Into Infinity
11. When Dream and Day Unite
12. Six Degrees of Inner Turbulence
13. The Astonishing
14. Distance Over Time