Here is a list of names that have been let go already.

Lawyer Milloy, S
Sam Madison, CB
Rod Smart, RB/KR
Trevor Pryce, DE
Stephen Davis, RB
Mike Anderson, RB
Brentson Buckner, DT
Sam Adams, DT
Tony Hollins, RB
Marcus Coleman, S
Tony Banks, QB
Joe Iorio, C
Brent Alexander, S
Brad Hopkins, T
Jeb Putzier, TE
Mark Campbell, TE
Reggie Howard, CB
Tebucky Jones, S
Damion McIntosh, T

I am sure I missed a few.  There are a few names on the list the Bears might at least look at, but no one I would expect them to put a full court press for.