Rehearsal Dinner - Suggestions???

Hi everyone. I'm looking for a restaurant in Long Island (Nassau or Suffolk) to hold our rehearsal dinner this spring. I'm looking for a place that is nice (though not terribly expensive), vegetarian friendly and that has delicious food. It would be ideal if they have a back room or separate area for our guests.
Any suggestions? Thanks so much!

i havent been here but my father has decided this is where we are having it...
it seems to have good reviews and the package prices seem reasonable.

franks steaks