Panasonic Nocticron and the Panasonic 35-100mm lenses have a $100 Instant Rebate via Adorama. Here are your links below.

Panasonic Leica DG Nocticron 42.5mm f/1.2 ASPH / POWER O.I.S Lens for Micro Four Thirds Lens Mount System

Reg: $1,597.99 / Special: $1,497.99

Panasonic LUMIX G Vario 35-100mm f/2.8 ASPH Lens for G Series Cameras (in stock, limited quantities)

Reg: $1,497.99 / Special: $1,397.99