This weekend it's Frog God Games. They are offering a 30% off sale "site wide" - which I would assume (dangerous) it applies to everything. If you come across something the discount does not work on, let me know and I'll update the post.
The Minotaur for Old-School Essentials
*Requirements:* Minimum STR 9, Minimum CON 9
*Prime Requisite:* STR and CON
*Hit Dice:* 1d10
*Maximum Level:* 8
*Armor:* Leather, including shield...