Car Stereo

Is there any only usb car audio system availabla......i mean usb(memory storage devivce) compatable....and must hav a radio...and no cd or cassate player....when i can hav my all the songs on usb sooo y to deal wid soo many cds and cassates!!! and " usb player with no cd/cassate player " must also cost less also(that wat i think)...is there any device available which fulfils my requirements...??can u pl giv me the estimated cost???i am from delhi(india)..!!!well thankzz in advance..!!!

Buy an iplug for like 20 bucks and hook it up to your car stereo and use an mp3 player or laptop. i use my laptop in my car with mobile internet so i can stream music and have 80 gb of mp3s.