I've noticed this too. Since the system upgrade this weekend, every finished match has a blank PGN header like this:
[Event "Online Chess"]
[Site "Chess.com"]
[Date "2009.10.02"]
[Round "1"]
[White ""]
[Black ""]
[Result "*"]
[WhiteElo "1754"]
[BlackElo "1848"]
[TimeControl "1 in 3 days"]
[Termination ""]
I know you guys are probably busy fixing more important bugs than this. Just keep it in mind and put it on the 'to do'-list.
I appreciate all the work you guys are putting into this site, especially now, with bug and glitch reports flying all over the place.
KUTGW!
today I tried to download 4 of my most recent complete games. I see that it emails the pgn files to you now. However, the pgn files did not include the players names. just "" in lieu.