If you're working with the large size images and your photoshop running slow then optimizing the performance of Photoshop can be crucial to avoid sluggishness of Photoshop. I have seen, the best computer for adobe photoshop working best with peak performance, but learn to boost your current Photoshop performance with your current PC. Follow new tricks & tweaks on how to set preferences & memory usage setting to make Photoshop run faster on your machine.