When most people think of portable MP3 players the first thing that pops into mind is an iPod, but there are many other products that offer the same or even more functionality at competitive prices. Sony obviously has quite a lot of experience with portable music players, but hasnât been able to achieve the success of their original Walkman in the digital age. Hoping to change this, the company has introduced The other two MP3 players are the E430 and the B130. The first will be available in black, red, pink, and blue with 4GB or 8GB of internal storage at $100 and $140, respectively. The much more basic B130 comes with 1GB or 2GB of internal storage, and is priced at $45 and $60.