Probably not what you are looking for, but:

There is this recent paper by George Raptis:

Homotopy theory of posets, 2010

discussing about model category structures on the category of posets.

Probably not what you are looking for, but:

There is this recent paper by George Raptis:

Homotopy theory of posets, 2010

discussing about model category structures on the category of posets.

Probably not what you are looking for, but:

There is this recent paper by George Raptis:

Homototpy theory of posets, 2010

discussing about model category structures on the category of posets.

Probably not what you are looking for, but:

There is this recent paper by George Raptis:

Homotopy theory of posets, 2010

discussing about model category structures on the category of posets.