Wow this is a tough choice. Although I don't like Santana Moss most of the time, I like him this week against the terrible Rams D. I think Devery Henderson will have a big day as he seemed like one of Brees favorite target last week and i think they'll be down against the eagles so they'll be throwing a lot. I also like Manningham this week as i suspect the Cowboy Giant game to be close and the Giants throwing a good amount. I see you've already decided him as your starter but i don't like Braylon Edwards at all. If i had to choose i would keep Moss in at flex and bench Edwards for Henderson.
Thanks for the help with mine. If you're not changing any of your other starters, then I like Moss here too. But if it were me, I'd bench Braylon, move Moss to the WR, and get Heath Miller in at your WR/TE flex. The Bears are in trouble in the middle of the field, and that's where Miller makes his money. Ben loves to throw to him at any time, I think he's a money play this week. Good luck!
Moss should be good for one slow-mo stroll into the endzone through a non-existent Rams secondary... but then they will run all day long... with simnilar success...