Trade deadline approaching! Any last second moves?

Trying to finish maximizing my lineup with our trade deadline approaching Friday. I am 4-6 and meed to make a late season push to make the playoffs and face 3 of the top 4 teams in the
league. Any thoughts on areas that need improvement?

12 team 1/2 ppr (2rb, 3wr, 1te)
Romo
Nicks, Dez, Jordy Nelson, Andre Roberts, Heyward-Bey, Blackmon, Rueben Randle, Ramses Barden
Spiller, CJ2k, Jstew/Deangelo, Harper, David Wilson, Taiwan Jones
Graham
Hanson
Pitt D

Moves so far

I just traded DMac for Jordy to help shore up my wr corp. DMac scared the hell out of me. Even when he comes back I didnt want to be debating him or spiller.

Also traded Sidney Rice and wright for Heyward Bey and Andre Roberts. Both were on bye and with Hakeem on bye all I had was Dez and Blackmom