Just to expand on what Echo said about Buffalo: a lot of students work on poetics, but there is also a large contingent of psychoanalytic critics (although, that's been dwindling a bit) and those who work in areas like disability studies, to which Foucault is quite relevant. They have theorists of every stripe and the department, in general, is very focused on theory. If continental philosophy is your thing, I would also note that SUNY Buffalo's English department has very close ties with its excellent comparative literature department (you can take classes in either for credit).