Ok so i found a list at fftoolbox with a full list (excluding comps) with every teams picks for the full 7 rounds.
I have extracted the teams with 6 or less picks just to see if there is any guide here as to who might be looking to trade a bit. If I get a chance later on I will maybe try to match this up with how much each of these teams has in Salary Cap which might produce an even better guide to who can afford FA's and who cannot so might want to strengthen their drafting numbers.
I think perhaps from a quick look Indy look like a team who might be willing to trade a bit. Since they are missing a 2nd & 5th round picks and are 7 slots ahead of us, I could see a swap of 1st's with us kicking in their 5th we got from them (#24) and a 7th perhaps?
The Raiders are also are in need of picks, having none in the 2nd or 3rd. Not sure I want to give up as many picks as they would probably want to move that far up the board though. I would think it possible though if the Niners could then turn around and trade that #3 back into the mid teens-mid 20s though. there is the potential there to move up in the 1st as well as either gain a few 3rds or even better a couple of 2nds in 2014 or even a 1st if they package up some of the other lower picks.
I could also see us doing a quick flip with the Pats to move up 4 slots to the #27 in the 2nd round, which should cost us our #31 5th or even a 6th and 7th. That might help us snag an extra DB or DL which I think the Pats will also be looking for.
I can definately see the Niners War Room using the 6th and 7th round picks (12/31 & 21/31 repectively) as trade ups or to trade back to 2014. With a 4th (probably) and 2 7th (probably) comp picks this year the Niners can easily dispense with the others.