www.vatanbilgisayar.com/sony-cb2s1eb-cb2s1eb-core-i5-2410m-2.3ghz-4gb-640gb-15.5-dvdrwbr-1024mb-hd6630m-bt-w7pre/productdetails.aspx?I_ID=55992 www.vatanbilgisayar.com/lenovo-59-311142-z570-core-i5-2430m-2.40ghz-6gb-ddr3-750gb-15.6-dvdrw-2gb-gt540m-cam-bt-w7bas/productdetails.aspx?I_ID=56737 ya arkadaşlarlar hangisi sizce Sonynin ses sistemi nasıldır