Pre-built gaming PCs aren’t just the domain of noobie gamers. No, many an experienced gamer has been enticed by the glittering imagery and exciting performance promises of a shiny new manufacturer-made rig. But beneath the flashy neon pics and the impressive list of hardware specs are often gremlins lurking, ready to bite. If you haven’t already guessed from that opener, I’m not in the “buy a pre-built gaming PC camp.” That’s not just because I’m a tech editor who likes to painstakingly oversee and choose every component in a new build until I reach performance perfection. I also don’t have an…