I want to start recording gameplay but my pc just isn't powerful enough for todays devices. I will be upgrading to a new pc later this year but it won't be for at least 6 months i want to get the hang of recording and getting used to it, what is the best device recording device that i can use for me pc to record gameplay and get the best video quality i was looking at this http://www.diamondmm.com/gc500-diamond-usb-hd-game-console-video-capture-device.html but i have never heard of them and im not sure about getting it.