suggest me 2.1 speakers and a headset for gaming total under 11k

i am looking at logitech z623 for 7676rs from grabmore.in

(or) suggest me any other gud one.

and corsair hs1a for 3k(inc taxes and shipping) from primeabgb

steelseries siberia full size for 3.2k from flipkart

(or) suggest me any other gud one.

also amazon USA selling ss siberia v2+ss usb sound card for 136$(include shipping and import deposit).

i have a asus sabertooth 990FX mobo.

please suggest me a good pair. under my budget. thanks.