Warhammer Ancients Battles Armies of Antiquity 2 has released and is on Warhammer Historical Online Store.
From their website:
You can view some page spreads, including a complete list of the armies from this book by clicking here.
Warhammer Armies of Antiquity is a supplement for Warhammer Ancient Battles second edition, the popular rules set for fighting battles on the tabletop with model armies. This 208 page hardback book contains no fewer than 100 fully revised and updated army lists for the following forces from the ancient and medieval world.