The Sony cloud platform, , is remarkably similar to the announced March 29, and most likely the that's allegedly lurking in the wings.

"The heart of the offering here is that with the one account you can access this music on your TV, your PS3, your laptop, your Blu-ray player, and have your music follow you wherever you go, rather than having to download all of your music into a device and make that device go with you everywhere," Shawn Layden, executive vice president and CEO of Sony Network Entertainment, told last week. It's also a streamlined way to sell PSP users all kinds of digital stuff.

"The idea is to make your PlayStation ID your ubiquitous sign-on wherever you go and also allow you to trade off the same wallet," Layden added, "so you don't have to charge up different wallets here for that."

Already good to go on TVs, laptops, Blu-Ray players and the PlayStation3 console, . It requires a PlayStation Network account, the handheld's latest firmware update (6.3.7) and a subscription ($3.99 a month, $9.99 for premium features) after a 30-day free trial.

Layden said Music Unlimited, and other services on Qriocity, will show up this year on Sony Ericsson's new then on the upcoming NGP, and ultimately Sony's