DriveThruRPG has a nice assortment of RPG core books on sale for some extremely nice prices:
Legend of the Five Rings 4th Edition -The ultimate adventure of fantasy samurai, locked in perpetual battles of honor and glory within the bonds of the Code of Bushido. (I've heard some really good stuff abut LotFR RPG, but I'm not sure if my group would ever go for the setting itself)
Regular PDF Prince: $34.99 Sale Price: $8.75 Savings of $26.24!!
Traveller Main Rulebook - Traveller is back, and it is better than ever! Based on the Classic Traveller rules set, this book has been streamlined for modern roleplaying, and yet still retains that unmistakable Traveller aura. (a bargain and a half. much harder to die during character gen with this edition than the classic Traveller rules)
Regular PDF Price: $19.18 Sale Price: $4.80 Savings of $14.39!!
Shadowrun 20th Anniversary Edition - The year is 2072. Magic has returned and creatures of myth and legend walk among us as megacorps bleed the world dry. Shadowrun, Fourth Edition offers a completely new rules system that is simple, integrated, and accessible. (I only have the 1st edition rules of Shadowrun. For $3.75 I'm sold)
Regular PDF Price: $15.00 Sale Price: $3.75 Savings of $11.25!!
King Arthur Pendragon 5.1 - Relive the grandeur and romance of the greatest of all legends - the story of King Arthur. Assume the role of a knight starting his career in the time of Uther Pendragon, undertaking quests and perilous adventures for your lord, for your lady-love, for the Church, or for your own glory. (I have this in print. even if I never play it, it's worth the read)
Regular PDF Price: $19.99 Sale Price: $5.00 Savings of $14.99!!
Dragonlance - Campaign Setting - From the back cover: Sagas from the lands of Krynn are filled with valiant heroes destined to discover ancient secrets and vanquish terrible evils. Like ...
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