Based on the Marvel Previews #87, November for January 2011, I'd say you need to pre-order the following books in order to keep up with Spider-Man.
Core Titles
Amazing Spider-Man #652
Amazing Spider-Man #653
Spider-Man, Marvel Adventures #10
Ultimate Spider-Man #152
Guest Apps
Avengers #9
Avengers Poster Book
Avengers: The Children's Crusade #4
Captain America 70th Anniversary Magazine #1
Chaos War #5
New Avengers #8
Ultimate Doom #2
X-Men #7, regular cover by Terry Dodson
X-Men #7, variant blank cover
X-Men #7, variant cover by Chris Bachalo
X-Men #7, variant cover by Terry Dodson
Spin-Offs
Osborn #3
Reprints
Marvel Adventures Spider-Man: Spectacular Digest TPB
Spider-Man / Fantastic Four HC
Spider-Man Magazine #15
Spider-Man: Big Time Premiere HC
Spider-Man: The Complete Clone Saga Epic Book 5 TPB
Spider-Man: The Gauntlet Vol. 4 - Juggernaut TPB
What If? Classic Vol. 7 TPB