Update: 19th Jan Thanks to Jeffrey for sending us this little report and some photos. Not very spoilerly I'm afraid :) Photos and Report
Thanks to our contact PF108 for the following.
Even tho it's an American holiday the Lost cast and crew are ferverishly working on the finally episodes of the series.
Three seperate scenes are being shot today.
1) John Locke is filming a scene at the D.H. stage.
2) Libby is filming a scene with some doctors at a hospital.
3) Desmond, Minokowski,Hurley and Claire are all shooting a big airport scene (big as in alot of background people), (shot at HNL airport)
Source: PF108@DarkUFO