This looks really nice and a good price too! I've been looking at getting a laptop and I really like the look of this. Few questions though... Is the hard drive upgradable - preferably without taking the entire thing apart What does the CPU in these compare to? I know nothing about these Atoms. Also, roughly what desktop GPU does the ION compare to? Will this play a 1080p Blu-ray or MKV using something like MPC-HC?