DVD Audio VS SACD

wht is the signif. diff and does SACD support 24 bit audio like the dvd? now does this mean that i have to purchase a new DVD Audio & SACD both compatible player? just tell me the difference?

thanx a million

Have you read the cdfreaks article about SACD ?

it doesnt say abt DVD audio does it? i just want to know the diff. and whether it is worth all the hype>