Valve's SteamOS and AMD's Mantle API have the potential to do great things for PC gaming. However, they also threaten to fragment the platform at a critical time, when next-gen consoles are about to reduce the PC's performance and image quality lead by a long shot.
Slow computer got you down? Maybe a hardware upgrade should be in your cards, if so this guide to the Fundamentals of Upgrading a PC is an invaluable read. PCSTATS Tips