Best prog band ever?

[T.I.E.]

NO ONE SAID BORKNAGAR???? You need to check them out right now. I'm serious.

no one said Borknagar for 2 reasons :
1-they suck
2-they are metal and this is the non-metal section

 

[Gutter Cat]

Rush followed by Jethro Tull and Floyd.

 

[phonetic]

Hawkwind, Yes or Amon Duul II

 

[Lightbulbsun]

I gotta say Porcupine Tree by far, for me at least. I also like Ephel Duath, Rush, Floydand of course Zappa. Does LTE count?

 

[Tangerine Dreamer]

TOP3:

Van Der Graaf Generator
Marillion
Yes