In one of the more roundabout rumors... this thread on MacNN roughly translates a Chinese clipping (scanned here) regarding a rumored PDA/MP3 Player from Apple

Inventec Appliances has possibly received a contract from Apple for production of MP3 players and PDA units. The total number of MP3 player and PDA in the contract may exceed several millions. So far, the MP3 player has been successfully put on production line and available on the market, known as iPod. On the other hand, iPad, which combines the functions of a MP3 player and PDA, is under test by Inventec