For the end of the year, FabFilter offers a 25% discount on all their bundles.
Until January 1st, 2016, all FabFilter bundles are available for 25% off, and registered FabFilter users are also invited to check their user area for additional discounts. Additionally, all FabFilter plugins have been updated and now features a number of upgrades such as high DPI and Retina screen supports or a few bug fixes here and there. Also, the Pro-L's GUI now features multiple interface sizes and has a full-screen mode.
More details at FabFilter's website.