Every gamer knows the importance of investing in a decent keyboard. The Fiodio Rainbow Backlit Mechanical Gaming Keyboard (GKB100-US) is worth a look. It comes with 3 DIY and 19 pre-loaded lighting modes. It has a knob that lets you control backlighting and media.
This keyboard uses Blue switches for better accuracy and tactile feedback. It has a metal and ABS construction with 104 keys. You can find out more about it here.