Tired of touchscreen tablets that lack speed, a usable UI, or support for a certain streaming video format that will go unnamed? As one of our favorite sayings goes, if you want it done right, do it yourself. One Engadget reader took that idea to heart in crafting the 13.4-inch carbon fiber contraption you see above, imbuing it with enough high-end netbook parts to run Windows 7 at a brisk pace and play 720p video on its large, resistive touchscreen. Starting with the guts of an
