I compared some offers of gold for World of Warcraft. More information on MMOOM (new rating system, detailed sellers comparaison, etc.).
World of Warcraft (EU)
Name - Coverage (242 servers) - Sellers cheaper (52 sellers) - Prices
Agamegold: 231 - 21 - Normal
Bank Of Wow: 223 - 36 - Expensive
Come Games: 190 - 1 - Cheap
DiyMMOGame: 234 - 40 - Expensive
E Game Gold: 231 - 18 - Normal
Eing: 227 - 9 - Cheap
EpaXX: 164 - 19 - Normal
ExGains: 231 - 30 - Expensive
EZMog: 204 - 47 - Expensive
FavGames: 164 - 19 - Normal
Gain Game: 194 - 51 - Expensive
Game Sale: 228 - 17 - Normal
GameKFC: 186 - 45 - Expensive
GenXGames: 174 - 49 - Expensive
Gogoer: 229 - 2 - Cheap
GoLeveling: 220 - 5 - Cheap
Guseu: 230 - 3 - Cheap
Guy For Game: 209 - 22 - Normal
IGameTC: 221 - 25 - Normal
Ige: 226 - 15 - Cheap
IGSky: 167 - 26 - Expensive
ILGold: 229 - 16 - Normal
JPItems: 101 - 48 - Expensive
MMOiNN: 226 - 37 - Expensive
MMOKings: 199 - 23 - Normal
MMOSale: 220 - 14 - Cheap
MMOVP: 234 - 39 - Expensive
My MMOShop: 229 - 28 - Expensive
OffGamers: 222 - 4 - Cheap
OgPal: 234 - 11 - Cheap
Online Organisation: 89 - 38 - Expensive
Only For Game: 224 - 7 - Cheap
Pvp Depot: 218 - 10 - Cheap
SCG Game: 96 - 43 - Expensive
Sevengold: 229 - 42 - Expensive
SSeGames: 229 - 35 - Expensive
Susan Express: 227 - 27 - Expensive
SwagVault: 15 - 12 - Cheap
TGA: 192 - 6 - Cheap
The Power Level: 228 - 24 - Normal
The Purple Sphere: 228 - 29 - Expensive
THSale: 194 - 13 - Cheap
Vgoldseller: 85 - 44 - Expensive
Wellwow: 77 - 46 - Expensive
WithGames: 193 - 8 - Cheap
WoW 7 Gold: 229 - 41 - Expensive
WoW For Cheap: 229 - 34 - Expensive
WoW Gold Deals: 229 - 31 - Expensive
WoW Treasures: 227 - 32 - Expensive
Wowmine: 223 - 33 - Expensive
Xhonor: 72 - 50 - Expensive
XOwow: 228 - 0 - Cheap
World of Warcraft (US)
Name - Coverage (236 servers) - Sellers cheaper (57 sellers) - Prices
Agamegold: 216 - 17 - Cheap
Bank Of Wow: 218 - 39 - Expensive
Belrion: 208 - 16 - Cheap
Cheers For Game: 188 - 38 - Expensive
Come Games: 192 - 21 - Normal
DiyMMOGame: 210 - 53 - Expensive
E Game Gold: 222 - 12 - Cheap
Eing: 100 - 5 - Cheap
EpaXX: 184 - 18 - Normal
EZMog: 193 - 56 - Expensive
FavGames: 195 - 18 - Normal
Gain Game: 136 - 55 - Expensive
Game Sale: 216 - 24 - Normal
GameKFC: 196 - 46 - Expensive
GenXGames: 156 - 48 - Expensive
Gogoer: 157 - 1 - Cheap
GoLeveling: 217 - 3 - Cheap
Guseu: 217 - 0 - Cheap
Guy For Game: 222 - 37 - Expensive
IGameMart: 172 - 51 - Expensive
IGameTC: 216 - 45 - Expensive
Ige: 223 - 14 - Cheap
IGSky: 175 - 22 - Normal
ILGold: 217 - 29 - Expensive
JPItems: 156 - 49 - Expensive
MMOiNN: 220 - 42 - Expensive
MMOKings: 222 - 13 - Cheap
MMOSale: 195 - 9 - Cheap
MMOVP: 222 - 26 - Normal
My MMOShop: 217 - 28 - Normal
OffGamers: 215 - 7 - Cheap
OgPal: 218 - 35 - Expensive
Online Game Store: 179 - 8 - Cheap
Online Organisation: 48 - 34 - Expensive
Only For Game: 215 - 4 - Cheap
OOFAY: 5 - 25 - Normal
Pvp Depot: 217 - 15 - Cheap
SCG Game: 94 - 40 - Expensive
Sevengold: 215 - 36 - Expensive
SSeGames: 217 - 31 - Expensive
SuperGameShop: 92 - 50 - Expensive
Susan Express: 216 - 23 - Normal
SwagVault: 5 - 10 - Cheap
TGA: 162 - 20 - Normal
The Purple Sphere: 214 - 44 - Expensive
THSale: 197 - 11 - Cheap
Trade For Game: 155 - 47 - Expensive
VeryGE: 198 - 2 - Cheap
Vgoldseller: 94 - 54 - Expensive
Wellwow: 144 - 52 - Expensive
WithGames: 197 - 6 - Cheap
WoW 7 Gold: 217 - 43 - Expensive
WoW For Cheap: 217 - 32 - Expensive
WoW Gold Get: 208 - 27 - Normal
WoW Treasures: 221 - 33 - Expensive
Wowmine: 220 - 41 - Expensive
XOwow: 217 - 30 - Expensive