Updated the old post, thought I'd start a new list with ROTS on the way. From what we know is on the way, and using Jeff's list from the ROTS Figure thread, here's what I'm planning on (of things we have seen pictures of or that are for sure confirmed):
Revenge of the Sith - Basic Figures
Revenge of the Sith - The First 24 (Collections 1 and 2)
III-01 Obi-Wan Kenobi (one or the other, either this version or the later #27 one)
III-02 Anakin Skywalker (ditto above, this or #28, whatever is better)
III-03 Yoda
III-05 Chewbacca
III-06 Clone Trooper
III-07 R2-D2 (might wait for later version)
III-08 Grevious’ Bodyguard
III-09 General Grevious
III-10 Mace Windu (if we're not getting a better one)
III-11 Darth Vader
III-12 Emperor Palpatine
III-13 Count Dooku
III-14 Chancellor Palpatine
III-15 Bail Organa
III-16 Plo Koon
III-18 C-3PO
III-19 Padme Amidala
III-20 Agen Kolar
III-21 Shaak Ti
III-22 Kit Fisto
III-23 Royal Guard (Blue)
III-23 Royal Guard (Red) - on the way
III-24 Mon Mothma
Revenge of the Sith - April 2nd and Beyond (Rest of the Year)
III-25 Tarfful
III-27 Obi-Wan Kenobi (see above, this or the earlier version)
III-28 Anakin Skywalker (see above, this or the earlier version)
III-29 Ki-Adi Mundi
III-30 Saesee Tiin
III-31 Luminara Unduli
III-32 Aayla Secura
III-33 Clone Commander (multiples)
III-34 Clone Pilot (multiples)
III-35 Palpatine
III-37 Tri Droid (Medical Droid)
III-38 AT-TE Gunner (multiples)
III-39 Polis Massan
III-40 Mas Amedda
III-41 Clone Trooper (multiples) - 2x on the way
III-42 Neimoidian Warrior (possibly 2)
III-43 Wookiee Warrior (multiples) - 2x on the way
III-45 Tarkin
III-46 Ask Aak
III-47 Mon Calamari - Meena Tillis
III-48 R2-D2 (electronic)
III-49 Commander Baccarra (possible multiples)
III-50 Anakin Skywalker on Mustafar (as Darth Vader with hood and cloak)
III-51 Captain Antilles
III-52 Zett Jukassa
III-53 Utapauan Warrior
III-54 Turbo Tank Driver (multiples)
III-55 Mustafar Sentry (aka Flea Rider)
III-56 Obi-Wan Kenobi (Red Leader Pilot)
TRU Exclusive Holographic Yoda
Wal-Mart Early Bird Set
Target Cup Set (Obi-Wan)
Target Cup Set (Clonetrooper)
Target Cup Set (General Grievous)
Deluxe Figures:
Vader Med Table - on the way
Jetpack Clonetrooper - on the way
Yoda on CanCell - on the way
Small Scale Vehicles/Beasts:
AT-RT
BARC Speeder w/Trooper
Boga w/Obi-Wan
Medium Scale Vehicles:
Obi-Wan's Starfighter
Grievous' Wheelbike (?)
Large Scale Vehicles:
ARC 170 Fighter
Mustafar Playset
Evolution Sets
Anakin AOTC/Anakin ROTS/Darth Vader - preordered
Clone AOTC/Clone ROTS/Sandtrooper - preordered
Darth Maul/Darth Tyranus/Darth Sidious
500th Figure - Darth Vader
Unleashed
Obi-Wan Kenobi
Anakin Skywalker
General Grievous
Stormtrooper
Darth Vader - preordered
Yoda vs. Sidious - preordered
Galactic Heroes
Chewbacca and Clonetrooper
Kit Fisto and Mace Windu
R2-D2 and SuperBattleDroid
Misc Other Stuff
Vintage Star Wars - working towards loose, complete figure collection.
Hallmark Ornaments - only when I have extra cash, just the "character" ones for now
Vintage BK Glass Sets - ANH, ESB, and ROTJ
Posters - Ongoing, when I have extra cash ANH - SE, ESB - SE, ROTJ - SE, ROTS - Theatrical, Clone Wars - Volume 2
Marvel Stuff
Marvel Legends - Nightcrawler
Marvel Legends - Professor X
Marvel Legends - Cyclops
Marvel Legends - First Appearance Spider-Man
Fantastic Four Movie - Mr. Fantastic
Fantastic Four Movie - Human Torch
Fantastic Four Movie - The Thing
Fantastic Four Movie - Invisible Woman
Fantastic Four Movie - Dr. Doom
Spider-Man Classics - Mysterio, Lizard, other bad guys.