The poll was taken at the end of July 2006 on ProgressiveEars website. 15 enthusiasts of the sub-genre, including me got together to come up with the list of essential early prog albums.

Here are the Top 50 albums:

1 Gracious - s/t
2 Spring - s/t
3 Marsupilami - s/t
4 Beggars Opera - Waters of Change
5 Cressida - s/t
6 Web - I Spider
7 Cressida - Asylum
8 Gracious - This is... Gracious!!
9 East of Eden - Mercator Projected
10 Rare Bird - As Your Mind Flies By

11 Samurai - s/t
12 Diabolus - s/t
13 Marsupilami - Arena
14 Raw Material - Time is...
15 Gnidrolog - Lady Lake
16 Tonton Macoute - s/t
17 Indian Summer - s/t
18 Culpepers Orchard - s/t
19 Comus - First Utterance
20 Rare Bird - s/t

21 Quicksand - Home is Where I belong
22 Second Hand - Death May Be Your Santa Claus
23 Beggars Opera - Pathfinder
24 T2 - It'll All Work Out in Boomland
25 Jody Grind - Far Canal
26 2066 & Then - Reflections!
27 Kingdom Come - Galactic Zoo Dossier
28 Quatermass - s/t
29 Fields - s/t

30 Gnidrolog - In Spite of Harry's Toenail
31 Julian's Treatment - A Time Before This
32 Procol Harum - Shine on Brightly
33 Still Life - s/t
34 East of Eden - s/t
35 Greenwood, Nicholas - Cold Cuts
36 Catapilla - s/t
37 Beggars Opera - Act One
38 Parlour Band - Is a Friend?
39 Fusion Orchestra - Skeleton in Armour
40 Gravy Train - Second Birth

41 Jan Dukes de Grey - Mice & Rats in the Loft
42 Atomic Rooster - Death Walks Behind You
43 Jonesy - Growing
44 Gravy Train - Ballad of a Peaceful Man
45 The Greatest Show on Earth - Horizons
46 Colosseum - Valentyne Suite
47 Catapilla - Changes
48 Kingdom Come - Journey
49 Warm Dust - And It Came To Pass
50 Krokodil - An Invisible World...