I just got BIAB/Real band and love it. I'm amazed how quickly you can make good backing tracks!

Right now I play solo guitar/vocal gigs. I should be able to put together a nice selection of backing tracks for my busy gigging season (May-Oct). Here is my question...What should I use for playing backing tracks through my PA? I considered a laptop, but worry about crashes, and computer reliability on the road.
Should I copy tracks to a CD, and use a CD player? How about a MP#, such as an iPod?: would the quality be good enough?

Thanks
Brian