Hey guys dont know to much about raid but is it better to do a raid 0 with 2x Seagate Barracuda 7200.12 500gb http://www.newegg.com/Product/Product.aspx?Item=N82E16822148395 110$
or should i just go with a 1TB Western digital caviar black 95$
http://www.newegg.com/Product/Product.aspx?Item=N82E16822136284&cm_re=western_digital_caviar_black-_-22-136-284-_-Product
Or would the speed gain be worth the extra money for 2x wdc black 640gb 150$
http://www.newegg.com/Product/Product.aspx?Item=N82E16822136319
or should i just go with a 1TB Western digital caviar black 95$
http://www.newegg.com/Product/Product.aspx?Item=N82E16822136284&cm_re=western_digital_caviar_black-_-22-136-284-_-Product
Or would the speed gain be worth the extra money for 2x wdc black 640gb 150$
http://www.newegg.com/Product/Product.aspx?Item=N82E16822136319