headset: http://www.amazon.com/gp/product/B005SNPTS2/ref=oh_details_o03_s00_i00?ie=UTF8&psc=1
mic: http://www.amazon.com/Zalman-Zm-Mic1-Sensitivity-Headphone-Microphone/dp/B00029MTMQ
keyboard: http://www.newegg.com/Product/Product.aspx?Item=N82E16823109233
mousepad: http://shop.steelseries.com/us/surfaces/steelseries-qck-plus.html
total: about 130 bucks (before tax and shipping)
Don't be an idiot and buy overpriced shitty "gaming" gear. If you want to spend real money and actually have it matter then buy a 120hz monitor.