I've noticed that videos don't look as good as on my 700m as it does on my computer but I believe it's due to the fact that the laptop has a high res in such a small area. I've played HDTV files on my laptop and it looks freaking...
Why even use speedswitch? Just change the power settings and it'll change CPU speed accordingly. I use Minimal Power Management, so that way it uses the full CPU power when needed and power down when it isn't, I didn't spend and extra...