For those in the market for one of the best aviation headsets out there - Bose is running their Spring promotion for a free SoundLink Revolve + Bluetooth speaker with any A20 (price above is the GA w/ Bluetooth variant) purchase. Pricing is standard but outside of purchasing used or refurbished, discounts don't seem to come too often. The SoundLink gets good reviews. You get your choice of Triple Black or Lux Grey.
*Edited, they changed the free speaker to the Revolve + making this deal a bit more Slick. Normally retails for $299.95