kind of interesting, I just glanced at rateyourmusic.com's Rush albums, and S&A's is rated far higher than 7 other albums in their discography on that site. Going back to Hold Your Fire, the only album rated higher than it is Counterparts.
Rush 3.25 (4,582)
Fly By Night 3.50 (5,086)
Caress of Steel 3.36 (4,064)
2112 3.78 (10,936)
A Farewell to Kings 3.87 (7,181)
Hemispheres 3.91 (7,753)
Permanent Waves 3.86 (7,349)
Moving Pictures 3.92 (13,528)
Signals 3.69 (4,688)
Grace Under Pressure 3.68 (3,849)
Power Windows 3.52 (3,058)
Hold Your Fire 3.24 (2,592)
Presto 3.13 (2,429)
Roll the Bones 3.15 (2,468)
Counterparts 3.49 (2,572)
Test for Echo 3.03 (2,184)
Vapor Trails 3.13 (2,332)
Snakes and Arrows 3.38 (2,590)
Clockwork Angels 3.53 (2,849)
Per Rating
1. Moving Pictures 3.92 (13,528)
2. Hemispheres 3.91 (7,753)
3. A Farewell to Kings 3.87 (7,181)
4. Permanent Waves 3.86 (7,349)
5. 2112 3.78 (10,936)
6. Signals 3.69 (4,688)
7. Grace Under Pressure 3.68 (3,849)
8. Clockwork Angels 3.53 (2,849)
9. Power Windows 3.52 (3,058)
10. Fly By Night 3.50 (5,086)
11. Counterparts 3.49 (2,572)
12. Snakes and Arrows 3.38 (2,590)
13. Caress of Steel 3.36 (4,064)
14. Rush 3.25 (4,582)
15. Hold Your Fire 3.24 (2,592)
16. Roll the Bones 3.15 (2,468)
17. Presto 3.13 (2,429)
18. Vapor Trails 3.13 (2,332)
19. Test for Echo 3.03 (2,184)