haha... after going for a3, would you be able to afford z5 in future?
rish , keep an eye on these , these will please you plenty . for 999 , these are a all what you want , bass , and SQ is top quality too .
http://www.flipkart.com/mi-in-the-ear-headset-piston-design/p/itmdyfhfy232wsc6?pid=ACCDYFKYJBFMEAG6 , better then fx40 and will blow the E10 away , like 10s of miles .