Hi nichaleh, usually what I do when I eat out is check to see if the restaurant posts nutrition info on their website. If not, I find somewhere else that is online that offers a similar dish and has their nutrition up; any estimate is better than nothing.
"If you drop an egg, you don't say, 'Oh, shoot' and drop the other 11, do you?"
-Source unknown, but obviously brilliant
Reached goal 4/16/2010...but kind of afraid to look these days