You guys are forgetting a bunch!
Here's a US-centric list of upcoming PS2 RPGs (of all styles):
(* = May not be released in the US)
.hack//FRAGMENT*
.hack//G.U.: Part I
.hack//G.U.: Part II
.hack//G.U.: Part III
Ambrosia Odyssey* (Cancelled..?)
Ar Tonelico*
Atelier Iris: Eternal Mana II
Chulip* (Cancelled..?)
Code Age: Commanders*
Devil Summoner: Kuzunoha Raidou*
Dirge of Cerberus: Final Fantasy VII
Disgaea II
Dragon Quest V* (Please..?)
Dragon Quest: Young Yangus & the Mysterious Dungeon*
Drakengard II
Fate of Ages*
Final Fantasy XI: Online: Treasures of Aht Urhgan
Final Fantasy XII
Front Mission V: Scars of the War
Front Mission Online
Full Metal Alchemist III: Heiress to the Gods*
Grandia III
Growlanser V: Generations*
Justice League of America
Kingdom Hearts II
Metal Saga
Mobile Suit Saga: A New Dawn
Monster Hunter II (If you count it..)
Monster Rancher V: Circus Caravan* (If you count it..)
Phantasy Star Universe
River King: A Wonderful Journey (If you count it..)
Rogue Galaxy
SEGA Ages: Dragon Force*
SEGA Ages: Phantasy Star Trilogy* (Cancelled..?)
Seiken Densetsu IV*
Shadow Hearts: From the New World
Suikoden V
Swashbucklers: Blue & Grey*
Taito Legends II* (Includes the NES RPG "Dungeon Magic: Sword of the Elements"..)
Tales of Legendia
Tales of the Abyss*
Valkyrie Profile: Silmeria*
Wild ARMs IV
Wizard of Funk (EyeToy..)
Xenosaga: Episode III: Also sprach Zarathustra
Zill O'll Infinite*
Think that's about it...