Somebody on a progressive metal Subreddit posted their list of 25 top songs, limiting one song per band. Here's my current list, with a strong emphasis on “current”:

1. Opeth - Reverie-Harlequin Forest
2. Symphony X - When All Is Lost
3. Dream Theater - Pale Blue Dot
4. Pain of Salvation - Thorn Clown
5. Animals As Leaders - The Woven Web
6. Zero Hour - Evidence of the Unseen
7. Adagio - Second Sight
8. Artension - Time Goes Slowly By
9. Andromeda - Slaves Of The Plethora Season
10. Winds - Fall and Rise
11. Southern Storm - Opstanak
12. Vitalij Kuprij - Destination
13. Power of Omens - Alone I Stand
14. Leprous - Nighttime Disguise
15. Orphaned Land - Fruits From Different Trees-Ishma'el and Itzhak
16. Rishloo - Feathergun In The Garden Of The Sun
17. Whom Gods Destroy - In The Name Of War
18. Myrath - I Wanna Die
19. Threshold - Slipstream
20. Thought Chamber - Balance of One
21. Clockwork - East of Knowing
22. Eniac Requiem - Prelude
23. Born of Osiris - Recreate
24. Mindflow - Crossing Enemy's Line