Monte Cook expands his Arcana Evolved product group (see 'Arcana Evolved Is Director's Cut') with the Arcana Evolved Spell Treasury, slated for release in March 2006.  The $34.99 240-page hardcover collection contains hundreds of converted and new spells for use in the flexible Arcana Evolved magic system. 

White Wolf also plans two additions to its World of Darkness line in March.  Guardians of the Veil is a Chronicle Book for Mage:  the Awakening.  The $34.99 224-page hardcover will contain the history, culture, and society of old Atlantis, with new spells, enchanted items, and legacies, as well as numerous story hooks, factions and sample allies and antagonists. 

The Requiem Chronicler's Guide is a Chronicle Book for Vampire:  The Requiem.  It will feature over 20 ways to play Vampire, with optional rules and new game mechanics, as well as a guide to creating enemies and example story templates.  MSRP for this 160-page hardcover is $29.99.