The Tablo QUAD is a redesigned, clutter-free, OTA DVR. They are also bringing commercial skipping to all their products.
SiliconDust is releasing the HDHomeRun Servio. It's a stand-alone box that allows you to easily set up a DVR without an extra confusion.
SiliconDust is releasing the HDHomeRun Scribe Duo. It's hard drive-equipped OTA tuner competes directly against the Fire TV Recast.