Here's a good article about 2011 offensive lines per Rotoworld. They rank the Chiefs #11. In their words:
11. Kansas City Chiefs (4)
LT: Branden Albert
LG: +Ryan Lilja
C: Casey Wiegmann
RG: *Jon Asamoah
RT: Barry Richardson
Thursday's acquisition of Jared Gaither was a high-upside, low-rent move. Still just 25 years old, Jonathan Ogden's onetime heir apparent in Baltimore could emerge as an in-season starter if healthy. Richardson is the group's weak link and would-be odd man out. New starter Asamoah replaces Brian Waters and projects as an instant impact run blocker. Though Albert has struggled with consistency, he dominates on the ground and is only 26. The primary backups are Gaither, second-round G/C Rodney Hudson, and right tackle-only Ryan O'Callaghan (20 career starts).
Biggest beneficiary: Jamaal Charles. This line will open holes.