In the past few weeks:
-RID2 Hyperchange Optimus Prime
-RID2 One-Step Fixit
-RID2 One-Step Steeljaw
-RID2 One-Step Grimlock
-Rescue Bots Blurr
And today-- BIG ol' Pile o' Loot time, one I've been saving up since the end of October:

-Masterpiece Bumblebee w/ Spike (do I consider Spike's exo-suit a Transformer in terms of my collection count or not? Hrrmm....)
-Masterpiece Ultra Magnus
-Generations Chromia
-Generations Arcee
-Combiner Wars Optimus Prime (I'm surprised by how BIG this mold is!)
-Combiner Wars Silverbolt
-Combiner Wars Motormaster
-Combiner Wars Powerglide
-Combiner Wars Thundercracker (Legend)
-Combiner Wars Windcharger
-Combiner Wars Bombshell
-Combiner Wars Huffer
-Combiner Wars Blackjack
-Combiner Wars Firefly
-Combiner Wars Alpha Bravo
-Combiner Wars Drag Strip
-Combiner Wars Skydive
-RID2 warrior Bumblebee
-RID2 warrior Grimlock
-RID2 warrior Strongarm
-RID2 warrior Steeljaw
-RID2 warrior Optimus Prime
-RID2 warrior Drift
-RID2 legion Grimlock
-RID2 legion Bumblebee
-RID2 legion Strongarm
-RID2 legion Steeljaw
-RID2 legion Sideswipe
-RID2 legion Optimus Prime
-AoE "Breakout Battle" AKA "Farmageddon" set
-"Lost Age" deluxe Stinger
-Year of the Goat MP Soundwave w/ Rumble, Frenzy, Ravage, Laserbeak, & Buzzsaw
-Year of the Goat Optimus Prime
-Rescue Bots Rescan Boulder
-Rescue Bots Rescan Chase
-Rescue Bots Salvage
-Rescue Bots Rescan Optimus Prime (v2.0)
-MMC's Azalea (IDW Arcee)
-TFC's Hydrant (Hot Spot)
-TFC's Redcross (First Aid)
-TFC's Vertiaid (Blades)
-Planet X's Nepture (FoC Sludge)
-Planet X's Summanus (FoC Snarl)
-MBC's Military Titans w/ Bonus (Replacement FoC Onslaught w/ FoC Bruticus upgrade kit)
-Unique Toys' Alberich (Rippersnapper)
-Unique Toys' Fenrir (Sinnertwin)
-Warbotron's Whirlwind (Vortex)
-Fansproject's M.A.D.L.A.W. (Quickswitch)