Garmin Brings Its Best Training Tools to Its Cheapest Running Watches The new Forerunner 70 and 170 get advanced training tools, brighter screens and a $50 price hike. Vanessa is a lead writer at CNET, reviewing and writing about the latest smartwatches and fitness trackers. She joined the brand first as an on-camera reporter for CNET's Spanish-language site, then moved on to the English side to host and produce some of CNET's videos and YouTube series. When she's not testing out smartwatches or dropping phones, you can catch her on a hike or trail run with her family. Expertise Consumer Technology, Smart Home, Family, Apps, Wearables Garmin's most affordable running watches are getting a serious upgrade. The newly announced Forerunner 70 and Forerunner 170 add smarter training tools, brighter AMOLED displays and deeper recovery insights previously reserved for Garmin's pricier watches -- though the improvements also come with higher starting prices.…