Based on the Marvel Previews #63, November for January 2009, I'd say you need to pre-order the following books in order to keep up with Spider-Man.
Core Titles
Amazing Spider-Girl #28
Amazing Spider-Man #582
Amazing Spider-Man #583
Amazing Spider-Man #584
Amazing Spider-Man: Extra! #2
Marvel Adventures Avengers #32
Marvel Adventures Spider-Man #47
Spider-Man: Fear Itself #1
Spider-Man: Noir #2
Ultimate Spider-Man #130
X-Men / Spider-Man #3
Guest Apps
Avengers / Invaders #8
Avengers / Invaders #8, variant cover by Steve Epting
Incredible Hercules #125
Official Index To The Marvel Universe #1
Secret Invasion: Poster Book
Reprints
Marvel Adventures Two-In-One #19
Marvel Masterworks: The Amazing Spider-Man Vol. 1 TPB
Marvel Masterworks: The Amazing Spider-Man Vol. 1, direct market version TPB
Spider-Girl Vol. 10: Season Of The Serpent Digest TPB
Spider-Man: Amazing Friends Digest TPB
Spider-Man: Brand New Day #4
Spider-Man: New Ways To Day Premiere HC
Ultimate Spider-Man Vol. 21: War Of The Symbiotes TPB
Ultimatum: March On Ultimatum Premiere HC