Lowes offers Metabo HPT 2-in 18 -Gauge Pneumatic Straight Brad Nailer for $49 (reg. $109) with free shipping. 

Product Description:
The NT50AE2 2-in 18-Gauge Brad Nailer is ideal for trim work, furniture building and other finish applications. It accepts finish nails from 5/8-in length up to 2-in. With tool-less depth adjustment and no-mar tip, this is the perfect tool for any finish work.

• Fasteners: accepts 5/8 In to 2 In 18-gauge fasteners
• Trigger: selective actuation switch lets the user easily select bump fire or sequential fire modes
• Lightweight: only 2.2 lbs, for easy all day use
• Depth adjustment: depth of drive dial allows the user to easily adjust the drive depth for a professional finish
• No-mar tip: no-mar tip on the nose protects the work piece from unintended markings
• Reload indicator: located on the magazine, alerts the user when nail quantities are low so that blank drives are avoided
• Adjustable exhaust: 360 degree adjustable exhaust port keeps dust, debris and oil off the finish project