You have a buyer though, I might not see one for another 2 years. You might not get a buyer on Craigslist for 2 years. I would be so happy if you were willing to make that effort and send it to England from the USA. So how much will the Postage and Packaging be? Go to your local Post Office and get Calculating 
I actually dont want a buyer, the monitor is free. In order to get an accurate shipping quote I would have to source the perfect box, pack her up and get it weighed at the Post Office, not to mention you might get banged for import tax.. I just don't have the time at the moment to go through all that..