I was on System 76 for two laptops. The most recent one, a Lemur, started to fall apart: the plastic hinge just started coming off in chunks, and the clamshell began to split. Customer service was terrible: they tried to get me to agree to charges without explaining what they were going to charge me for. When I pressed them (which took repeated emails) they finally admitted they wanted to send me a part for me to do a replacement without any instructions, and which they advised people not to do. Very scammy vibes. I picked up a Framework instead and have been really enjoying it, though I can't really speak to the gaming portion I'm afraid. I'd just say avoid System 76.