As others have said, there's a lot more to it than just CCD vs CMOS. One thing you may find interesting is the review of both cameras by an expert:

BBC R&D White Paper WHP034 - Alan Roberts

http://thebrownings.name/WHP034/pdf/...Canon-XHG1.pdf

http://thebrownings.name/WHP034/pdf/Canon_XF300-305.pdf

In progressive mode, the XF300 has far less aliasing than the XH-A1. This is because of the special way that the XH-A1 sensor was read out in frame mode (which gives you a truly progressive image, but at the cost of more aliasing and less resolution).