The super-sensitive touchpad on this thing is just flat-out ridiculous. Every time I type something, whether it would be a word document, logging into e-mail/Facebook, etc, I would accidentally click out of the dialogue box, along with similar situations. The worst part is that at times, I would close the lid on my netbook and reopen it to find that multiple browser windows have opened by itself. I've checked all over the internet, only to find that the U135 model isn't as popular as I had thought.