I'm not quite sure if I want to go full out with a list in the Wi/Ht? but here, are as far as I can tell, the Top 50 Art Reviewers. Shoot me a PM if you find someone who should be on this list.

#_ | Rev | Resp | Gain | Username
01 | 861 | 475 | ___ | TheRealShadman
02 | 492 | 152 | ___ | msg2007
03 | 404 | 190 | ___ | Dn83
04 | 389 | 133 | ___ | XwaynecoltX
05 | 336 | 113 | ___ | thepetergriffin
06 | 325 | 149 | ___ | comicretard
07 | 259 | _60 | ___ | Cometa-Guavaberry
08 | 233 | 127 | ___ | Sabtastic
09 | 231 | 131 | ___ | LegolaSS
10 | 220 | _66 | ___ | Hoboweasel
11 | 180 | 107 | ___ | JakBaronKing
12 | 165 | _72 | ___ | Kinsei01
--- | 165 | _96 | ___ | sucho
14 | 162 | _86 | ___ | bloo-apple
15 | 160 | _87 | ___ | MindChamber
16 | 158 | _99 | ___ | Coop83
17 | 157 | _72 | ___ | THEANTIFULP
18 | 153 | _71 | ___ | doppleganger
--- | 153 | _45 | ___ | CrysisWolf
20 | 152 | 105 | ___ | Gamerx8
21 | 150 | 104 | ___ | Haggard
22 | 147 | _51 | ___ | Kreeslak
23 | 143 | _49 | ___ | BULLETEGG
24 | 142 | _71 | ___ | ZaneZansorrow
25 | 141 | _72 | ___ | Hulalaoo
26 | 139 | _50 | ___ | 7swords
27 | 136 | _48 | ___ | bocodamondo
28 | 135 | _29 | ___ | Catsonmyface
--- | 135 | _63 | ___ | dommi-fresh
30 | 128 | _50 | ___ | MAM259
31 | 125 | _44 | ___ | Craptaco
32 | 124 | _51 | ___ | yahuwa
33 | 121 | _61 | ___ | TheManofSteal13
34 | 119 | _58 | ___ | Wasim
35 | 118 | _49 | ___ | Botar
36 | 116 | _33 | ___ | TheBigHero
37 | 115 | _34 | ___ | VidGameDude
38 | 114 | _68 | ___ | Famiry
39 | 112 | _80 | ___ | HeavyTank
40 | 110 | _75 | ___ | Fro
41 | 109 | _41 | ___ | GothicFreak119
42 | 109 | _31 | ___ | Kakashi1930
--- | 109 | _36 | ___ | Ritzcrakerz
44 | 108 | _51 | ___ | deathslayer666
--- | 108 | _34 | ___ | Ray80
46 | 107 | _35 | ___ | ThePunisher9000
47 | 105 | _67 | ___ | Joshsouza
48 | 104 | _56 | ___ | CanadianBlues
49 | 103 | _72 | ___ | GenericJosh
50 | 101 | _50 | ___ | PixelCake
--- | 101 | _31 | ___ | kazumanzkan