Nippon pistons any good ?

Hey guys, i saw these turbo piston on the net,
http://cgi.ebay.ca/CIVIC-B16A-CTR-ITR-TURBO-PISTONS-B18-JDM-FREE-SHIP_W0QQitemZ300041185719QQihZ020QQcategoryZ33623QQcmdZViewItem

has anyone experienced those ? this seems to be a good alternative to forged units. By the way, speak by experience plz

there is a thread about nippon pistons.

http://www.g2ic.com/forums/showthread.php?t=136988&highlight=nippon+racing

thats right, i posted a post cause it was 9 months old !
i can’t believe they sell 400HP pistons for 130$, rings included !
anybody?

stock pistons can handle 300hp (on a good tune) so these are not THAT great of an improvement