Charlie Fleming of Rarr I'm a Monster Publishing put together a few fundraising product bundles after his wife Shelli was diagnosed with breast cancer. They can be found Here along with other PDFs he has on sale.
Onyx Path (the successor to White Wolf) has daily specials through October on individual World of Darkness stuff, usually 20% or 50% off sales. The daily specials are listed on theonyxpath.com but can be found already discounted on rpgnow, no coupon code needed.