There's a top Fitbit Charge 3 pre-Christmas deal over at Amazon

Fitbit deals are GO over at Amazon - with some top names getting sizeable price cuts. Wareable's Fitness Tracker of the Year - the Charge 3 - has been given a decent $20 discount and there's a more appealing $50 off the Fitbit Versa. The excellent Fitbit Versa deal makes the company's smartwatch just $149.99…