1) If you can do Brady and Turner for Eli and Chris Johnson, pull the trigger. Orton is more than a capable starter for you and Eli can be a fill-in for favorable matchups. Brady also loses a little value with the loss of Moss. And if you're looking for an elite WR, you could always turn around and trade CJ or AP.
2) Turner for Wayne would be good if you don't feel you want to give up Brady. Bradshaw is a more than capable starter and you get the much needed help at WR.
3)Brady and Crabtree for Megatron and Alex Smith I wouldn't do. I like Crabtree's upside, and I just don't think you are gaining enough.
So I like both 1 and 2. But if I had to choose, I'd say go with #1. You don't lose much at QB and then you'd have two elite RBs and you could possibly deal one for an elite WR.
QB- Shaun Hill
WR- Andre Johnson, Roddy White, Wes DeSean Jackson
RB- Ray Rice, Ahmad Bradshaw
W/R- Jamaal Charles
TE- Jacob Tamme
K- Rob Bironas
BENCH- Welker, Gaffney, Vincent Jackson, Reggie Bush, Sanchez, Flacco, Cooley