At first glance this looks interesting and useful. I am however not sure if I'm just blind or it is not possible to filter entries? I would like to be able to filter entries on things like: OS, CPU, GPU, or battery.

Quick feedback, when I select Playstation Portal as a comparison item from the comparison dropdown, it takes me back to the home page. I tried a few different items, PS portal was the only one that didn't take me to the comparison page.