For Fox company, they did not let anyone do IFS outside of Quantico/Manassas. Many tried, all were rejected. I think it depends on your company as well as the state of things in Pensacola. That aside, the programs up in VA are pretty solid, and its only 1-2 months.
[edit] They (the powers that be) told us initially that there would be a limited number of IFS slots in P'Cola. This wound up being false, and we all went to either Quantico, Manassas Aviation, or Dulles Aviation. The latter two are about 40 minutes from Quantico... a pain in the ass, but one made slightly better by carpooling.