I imagine the German Urban Brawl book they put out updates the world UB league. And one of the Missions we're running at the cons this year, CMP 2011-08: Super Brawl Sunday updates the North American League. Here's the NAUBL Rankings Sidebar from that adventure (Written by Rusty "Critias" Zimmerman):
OFFICIAL ISSV:NAUBL FRANCHISE RANKINGS, 2073
(1) Mountain Dragons (Draco Foundation)
(2) Chicago Sensations (Truman Technologies)
(3) New Orleans Tombstones (CAS)
(4) Ares Predators (Ares Macrotechnology)
(5) Lakota Arrows (Sioux Council)
(6) Detroit Nightmares (UCAS)
(7) Boston Massacre (UCAS)
(
Atlanta Butchers (CAS)
(9) St. Louis Slaughter (UCAS)
(10) Horizon Coordinators (Horizon)
(11) Tenochtitlan Volcanoes (Aztlan)
(12) Havana Guerrillas (CL)
(13) Cincinnati Lasers (UCAS)
(14) Denver Thunderheads (UCAS)
(15) Boston Champions (NeoNET)
(16) Norfolk Battlers (CAS)
(17) Portland Paladins (Tir Tairngire)
(18) Dallas Outlaws (CAS)
(19) Miami Spears (CL)
(20) Renraku Invincibles (Renraku)
(21) Montreal Assassins (Quebec)
(22) Tsimshian Warriors (Tsimshian)
(23) New York Slashers (UCAS)
(24) Oakland Terminators (CFS)
(25) Tacoma Wings (Federated Boeing)
(26) Seattle Screamers (UCAS)
(27) Cleveland Chaos (UCAS)