Way Too Early To Care Question...

I'm in a 16 team league (with one bench spot). My roster is below:

QB: Sam Bradford
RB: Ray Rice, Matt Forte
WR: Vincent Jackson, Brandon Marshall, Percy Harvin
K: Jason Hanson
DEF: CLE (Play Bengals Week 1)
LB: Lawrence Timmons
DT: Haloti Ngata
DE: Justin Tuck
CB: Javier Arenas
S: LaRon Landry
BN: Fred Jackson

I was perusing the waiver wire, and noticed Kenny Britt and DeAngelo Williams are still available somehow...with 16 teams. Hell, I feel pretty good about my team as is, but just wanted to get some opinions.

ETA: Non PPR