Filed under: CellphonesIt sure looks like Sony Ericsson is keeping itself busy these days, with the company now following up word of its latest hardware with an announcement of its plans for its upcoming PlayNow Arena service. That, as you can probably guess, is an upgraded version of the company's existing PlayNow service, although it seems that it'll be a good deal more than just a music service. There will still be plenty of goodies on tha
