Funny you mention the nano, because that one in particular won't happen. Samsung is the world's largest producer of NAND memory (the kind used in flash-based players). Apple bought up 40% of Samsung's NAND memory production for the next five years at a steep discount (still $100 million a year), and also made big, long-term deals with Hynix, Toshiba and others.
So matching the nano's price will be hard since it'll cost almost anyone else a lot more for the memory that goes into the player.
Probable they didn't want to get into one of those coltran messes like Sony with video games...but still.
http://www.electronicstalk.com/news/stm/stm139.html