I currently have a Dell Inspiron zino 410. Regardless of the size of the case (which is miniscule, and can be changed as well) what on it can I upgrade? I am likely going to do the RAM soon, but what can be a step up from what I have otherwise? I don't need anything immense, but a midrange graphics card would be nice. My plan would be to do it in parts, since I don't have a lot of cash. So upgrade the RAM, then maybe a month later upgrade the GPU, and so on. Thoughts?