The Linux 3.13 kernel that is just entering mainline development stages already has Radeon DPM and HDMI audio by default. However, now there`s another Radeon DRM-Next pull and it provides support for the brand new AMD R9 290 Hawaii GPUs!"
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