Soundcard & Speaker for Computer

My motherboard audio & speaker went belly up so i want sound card & Speaker ( 2.0 or 2.1 ) for pc.



Motherboard :- Gigabyte x58aUD3R

Processor :- Core i7 950



Purpose :- Movie, Games, Music



Audio Devices :- sennheiser hd 439, ( Will buy audio technica ath-m50x ), Sony MDR-XB70AP



Budget :-

Speaker - 12000 INR = ~190 USD

Audio Card - 12000 INR = ~190 USD



Ready for both internal or external soundcard or dac