How good r these amps ?

don New member Username: Zoinks Post Number: 3 Registered: Apr-05	Posted on Wednesday, April 13, 2005 - 16:07 GMT Visonik's V4000XD http://www.visonikcaraudio.com/sub/products/amplifiers_classx.html was thinking of get these and 2 memphis subs.actually 2 of these subs http://www.memphiscaraudio.com/products/details.asp?cat=&id=37&p=2 what u think?
don New member Username: Zoinks Post Number: 4 Registered: Apr-05	Posted on Thursday, April 14, 2005 - 04:04 GMT plz anyone?