Also WOTC released the original Greyhawk supplement for OD&D. Only $4.99
But other than that, kind of a quiet week.
Colonial Troopers - An original D&D (or perhaps more Swords & Wizardry, it's got that single saving throw crap) inspired sci-fi game with a military focus. $9.99, 100 pages.
Guardians - What if OD&D were used for superheroes? Here you go. 98 pages, $9.99
Microlite - Basic, Standard, and Extended are now on DTRPG, if you want to donate to him that way (you can also just go to his blog and pay direct)
Shards of Tomorrow - A B/X inspired science fiction rules set. 136 pages, $4.95
Nod 28 - John Stater's excellent magazine continues. 78 pages, $4.99