The Thecus N2520 is certainly interesting due to the new features, but right now we have to speak more of interesting potential than a great final product. That's because many things aren't available or active yet. The HDMI isn't functional yet and not everything is entirely finalized in the new firmware.
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