I have owned both cameras (at the same time).(posted 8100 days ago)Both produce remarkable images although I found the PD100 better in low light. I also liked its in-camera effects package and yes, its ability to convert analouge to digital can be very useful.
The PD100 is also easier to use than the XL1.
Audiowise, the Canon was better ... much better.
Exterior shooting in daylight - both cameras were very very good but I'd give the nod to the XL1.
Which ever camera you decide on be assured that you have made an excellent choice in image acquisition equipment.
Like you I was faced with the dilemna of which camera to buy - in my case, I bought them both.
- Tom