Just one note regarding [C]. Actually there is a way to avoid the content duplication problem. Many sponsors
already have morphing feeds. The first affiliate program that started to provide such a solution was Real-Bucks.com - I did a morphing plugin for their blog more than a year ago.
Furthermore, a couple of months ago I made this morphing plugin available for everyone. Just take a look at these threads:
1)
http://www.gofuckyourself.com/showthread.php?t=732473 - affiliate program solution.
2)
http://www.gofuckyourself.com/showthread.php?t=743335 - stand-alone morphing solution for individual blog owners.
As I mentioned above, both plugins were tested on real blogs within more than a year, and they
really work!