Turbine is constantly releasing some teasers for the upcoming AC2 .... Ahhhhhhhhhhhhhhh... They really know how to hurt a person.
Here is a list of them, divided into several categories. I have archived them here on the site for your easy retrieval.

Gameplay Articles

Player Economy - An insight into the new Player run economy of AC2 and role of crafting.

The Combat System - Dynamic Combat and its various Tactics deployed in AC2

The Skills System - Introduction to the Skill System in AC2

The Character Races - Describes the new races on Dereth.

Technical Articles

The Turbine 2 Engine - Provides an overview of the Turbine Engine, which is behind the game.