What did BlizzCon think of Overwatch?

I played Blizzard's new FPS Overwatch at BlizzCon five times, the basis for my impressions on the game that I wrote over the weekend. But BlizzCon attendees also had a chance to play a game, and I was curious what they thought of Blizzard's first crack at a multiplayer FPS.
Keep up to date with the most important stories and the best deals, as picked by the PC Gamer team.

Evan's a hardcore FPS enthusiast who joined PC Gamer way back in 2008. After an era spent publishing reviews, news, and cover features, he now oversees editorial operations for PC Gamer worldwide, including setting policy, training, and editing stories written by the wider team. His most-played FPSes are Hunt: Showdown, Team Fortress 2, Team Fortress Classic, Rainbow Six Siege, and Counter-Strike. His first multiplayer FPS was Quake 2, played on serial LAN in his uncle's basement, the ideal conditions for instilling a lifelong fondness for fragging.