Dragon Quest Monsters: Joker review at Gamespot.

"The last time we saw a Dragon Quest Monsters game in North America was six years ago on the Game Boy Color, when the franchise still went by the moniker "Dragon Warrior." Importers aside, then, Dragon Quest Monsters: Joker for the Nintendo DS is a triumphant return to the Western world. Boasting gorgeous 3D visuals, a plethora of monsters to capture, and a compulsive monster-breeding system, this entry in the series should keep monster collection fans playing for hours on end. The emphasis on grinding, however, will make newcomers want to approach with caution."

Full Source: Gamespot