Serious lag on good PC??

[John Rofrano]

[Nick Rappolt] “…but I am using GoPro recorded MP4 videos (1080/60).”

You may have found your problem. I remember Vegas Pro having an awful time with some GoPro footage. You should use GoPro Studio to convert it to CineForm AVI files and your lagging problem should be fixed.

~jr

http://www.johnrofrano.com
http://www.vasst.com