Grey Wedges

Seriously, you read the title, you should be prepared...
I have trouble walking in heels, but I can handle wedges (they also don't get stuck in between bricks on the sidewalks of this city), and I need more shoes for work.

Jcrew Martina Suede Wedges

Enter gray wedges:

Naturalizer Ashby Wedge Pump

Calvin Klein Yana Wedge

Cole Haan Air Lainey Wedge 55

 Thoughts? I think the Jcrew ones are my favorites, with the Calvin Kleins coming in second only because I can only find them in a size 5 and 10 and I'm not those sizes.
Do you have work shoes you love? Please Share...