Senko, I can not confirm that the 47xx series will for sure have independant control, but I will say that the X30 control is not part of WM2003 SE, it is Dell's own control. It is stupid (as I mentioned in my review,
http://www.aximsite.com/x30review )
I can say with almost 100% certainty that there will be independant control....
This is what most iPAQs use:
