The OpenERP apps along with the actual installed openerp server shows: Belgium and Indian payroll options.
Alas, the people kicking the tires would like to see "American" (the non accountant wanting to see something he understands).
Does anyone have such a app they are willing to share?
If not, which of the two choices is "closer"?
You might ask this at https://answers.launchpad.net/openerp-usa