Woot offers DEWALT DCS578B FLEXVOLT 60V MAX* Circular Saw with Brake, 7-1/4-Inch, Tool Only for $184.99 (reg. $299) free shipping with Amazon Prime. 

Product Description:
Our most powerful tools just got better with the FLEXVOLT 60V MAX* 7-1/4-inch Cordless Circular Saw with Electric Brake. It has up to 47% more power than the DCS575 60V MAX* Circular Saw** with 2456 unit watts out. DEWALT FLEXVOLT Circular Saw combines the power of a corded circular saw with the portability and convenience of cordless thanks to revolutionary DEWALT FLEXVOLT technology that offers a no-load speed of 5800 RPM. Battery and charger sold separately.
 

• DEWALT 7 1/4 circular saw has up to 47% more power vs the DCS575**
• Uses a 7-1/4-inch cordless circular saw blade and features a maximum cut depth of 2-9/16-inch at a 90 degree bevel.
• The compact circular saw has the maximum bevel capacity of 57 degree with bevel stops at 22.5 degree and 45 degree
• Electric brake stops the blade after the trigger is released
• Integrated LED for increased visibility and cut accuracy
• Integrated rafter hook for quick and easy storage