Looks like amazon has the Steelseries Rival for cheaper.
http://www.amazon.com/SteelSeries-Rival-Optical-Gaming-Mouse/dp/B00G6IJ5QK/
The white mouse is priced higher on Amazon.
Amazon prime has the black 9H headset for $89. It appears to be the same model
http://www.amazon.com/SteelSeries-Gaming-Headset-Mobile-Devices/dp/B00FAN4LRA