Looks like Virgin and Tapwave are taking steps to establish a bigger presence in the portable audio market.  Today’s announcement from the CES Show floor indicates that the two are working together to pair up the Virgin music download service with the versatile handheld, which through the help of SD cards, could store up to 2GB of music.  Details are still unclear as to how the two devices will work seamlessly, but I can imagine an option on the Virgin service that allows transfers directly to the SD card, with minimal mouse-clicks.  Virgin’s downloadable songs are going for $.99 each, while the Zodiac sells for $269.