Cool like a neat internet trick... Since itunes lets all of its music songs preview for a minute and 30 sec... That's all U really need! The sound quality and music choices surpasses youtube, too. Just a heads up U don't have to fill your place up w/ disc purchases.
In what universe is a 90 second preview of a song just as good, if not greater than the actual full version of that song? You must listen to jingle bells and happy birthday songs or some shit 'cause I would never substitute a full track for a 90 second preview.
It is not better, but if U listen to a lot of 'em at 90 sec it makes up like a cook DJ mix for not being whole songs, if U ask me.