Looking at the success of Nintendo's DS this might be pretty cool, of course I'm still holding out for an iPod phone from Apple:
Sony May Introduce PlayStation Phone
"Although no official announcement has been made yet, it's clear that Sony has plans to leverage its massive PlayStation brand equity among gamers looking at the phone market. The real question is whether the company intends to add phone functionality to the PSP, introduce an entirely separate PlayStation phone device from Sony Ericsson, or do something else entirely. According to an interview in Japan's Nikkei BP with Sony Computer Entertainment corporate executive Izumi Kawanishi, Sony hinted that going forward the PSP may become more and more of a network device."