Just in case you are interested:
Arizona Fall League: http://mlb.mlb.com/mlb/events/winterleagues/?league=afl
Opening Day 10/07/2008
AFL Rising Stars Game 10/27/2008
AFL Championship Game 11/22/2008
Hawaii Winter Baseball: http://mlb.mlb.com/mlb/events/winterleagues/?league=hwb
Opening Day 09/27/2008
HWB Championship Game 11/16/2008
Dominican Winter League, Mexican Pacific League , Puerto Rican League, Venezuelan Winter League: http://mlb.mlb.com/mlb/events/winterleagues/?league=car
Dominican Opening Day 10/15/2008
DWL All Star Game 12/07/2008
Mexican Opening Day 10/11/2008
Second half begins 11/21/2008
Puerto Rican Opening Day 11/06/2008
Postseason begins 01/07/2008
Venezuelan Winter League
Opening Day 10/14/2008
And obviously BA's blog: Archive for 'Winter Ball'
http://www.baseballamerica.com/blog/prospects/?cat=1175