According to this fantasy-specific source on "The REAL Feed", Harrison is a game-time decision:
Harrison update: Colts WR questionable NFL News: RealFootball365.com (20.10.2007 20:40) On Friday, it looked as if 5-0 Indianapolis Colts wide receiver Marvin Harrison was fully recovered from his knee injury and would play Monday night. However, now Colts head coach Tony Dungy says Harrison is questionable for the team's all-important tilt with AFC South rival Jacksonville (4-1).
Colts' Harrison out vs. Panthers with bruised knee ESPN: NFL (27.10.2007 17:10) The undefeated Indianapolis Colts will face the Carolina Panthers here Sunday without wide receiver Marvin Harrison, as the 12-year veteran was downgraded to "out" by the team on Saturday afternoon while he continues to battle a bruised left knee.
This is devastating news to deep-keeper and dynasty leaguers who have him. It's good news to Reggie Wayne owners, and every end is a beginning. It's music to the ears of Anthony Gonzalez owners. Of course, no one likes to see the beginning of the end of a true GREAT and OUTSTANDING ambassador for the NFL. On the other hand, knowing old Marvin, he'll just tough it out and post great numbers... for the next like FIVE YEARS.
Upstart out for about a month... according to "The REAL Feed":
GONZALEZ SIDELINED Sporting Life: NFL (09.11.2007 13:40) Indianapolis wide receiver Anthony Gonzalez will miss three to four weeks with a dislocated thumb.