Amazon’s Prime Day sales event is here, and there are tons of great deals on desktop PCs. This year, Prime Day will run from July 16th through July 17th, and includes solid discounts on everything from gaming PCs to all-in-ones to traditional desktop computers. Deals can be found not just from Amazon, but other online sites as well, so we’ve curated the best sales on PCs from all over the internet. Barring Black Friday, there is really no better time to snag a discounted desktop. I’ve built multiple PCs from scratch, and at PCWorld, I’ve used my desktop knowledge to curate a list of the best a…