Once you've got your copy of GT5 tonight at midnight, you'll then need to download and install a 133Mb patch for GT5 to enable online play.
So, it must said, do reviewers, who are getting their online playability this evening prior to online reviews - including ours - hitting at 08:00 GMT on Wednesday morning.
The patch makes the open and private racing lobbies, community features (message board, mail and gifts, the Gran Turismo TV store, GT Museum and GT news service on the title screen available.