Panasonic on Thursday announced the upcoming release of two SC-HC-series iPod D-docks, with the main difference between the SC-HC3 and SC-HC4 being color availability and the inclusion of an SD card slot in the SC-HC4. Users have the option of copying music from CDs to an inserted SD or SDHC card at up to 8x speeds. Each dock features a pair of nearly 2.6-inch (6.5cm) diameter speakers made of bam
