Michael Ware wrote:
Once you get your citizenship squared away, I believe you would just need to
take the PP practical exam ('check ride'). FAR §61.39, paragraph (c)(1).

Any CFI 's out there care to confirm or add to this?

not a CFI (yet -- but AGI :-) and the relevant chapter
is 14 CFR 61.75 ; does not require citizenship, but
things have become a tad more complicated since 9/11,
check out the following:
http://www.faa.gov/ats/aat/ifim/ifimfaqa076.htm

--Sylvain