go to 1)TST NB-shop la....RT769 only $330 or 2)Wanchai near train rail side(close to supermarket) the shop is now clearance sell...a very good cushion model of nbx750...only $399...3) at MK Wan Kee...adidas response cushion 18...$389...last...4) Kwun Tong outlet...nbx 1063...but only have female...$399...are them within your budget?