You can buy the jerseys already on mlb.com
Also, stores should be getting them by the end of this month. Just in time for the holidays.
[list]Classic Jerry Colmanisms
[*]"Montreal leads Atlanta by three, 5-1."
[*]"They throw Winfield out at second, but he's safe."
[*]"Johnny Grubb slides into second with a standup double."[/list:u]