i have yy at900p 3ug5 to trade with at900p 4ug4, just like to try the lighter version, my at900p is really in mint condition as being replace on friday 22 may09 by the yonex salesperson as my previous at900p were broke. so its like brand new, will post the serial and cone code later. willing to trade with same condition racket. just strung my at900p with bg66@24lbs with karakal pu grip (blue). for bcerswho like to trade plz pm or just sms me, strictly no calls plz, thanks in advanced. cheers