What can be called a masterpiece from my POV?
1) As close as possible from the G1 character
2) Fully transformable
3) In scale with the rest of the line (except for combiners of course, otherwise they'll be 3' tall
)
Here is what fits into a Masterpiece collection IMHO:
Autobots:- Optimus Prims: Takara MP-10 Convoy
- Grimlock: Takara MP-8 Grimlock (soon to be replaced by FansToys FT-08)
- Sludge: FansToys FT-07 (somewhere in 2015)
- Slug: FansToys FT-06 Sever (4th quarter 2014)
- Swoop: FansToys FT-05 Soar (4th quarter 2014)
- Snarl: FansToys FT-04 Scoria
- Ultra Magnus: Takara MP-22 Ultra Magnus (dec 2014)
- Hot Rod / Rodimus Prime: Takara MP-9 Rodimus Convoy
- Ironhide: i-Gear PP05W Weapon Specialist
- Ratchet: i-Gear PP05M Medical Specialist
- Sideswipe: Takara MP-12 Lambor
- Red Alert: Takara MP-14 Alert
- Prowl: Takara MP-17 Prowl
- Bluestreak: Takara MP-18 Streak
- Silverstreak: Takara MP-18S Silverstreak
- Smokescreen: Takara MP-19 Smokescreen
- Wheeljack: Takara MP-20 Wheeljack
- Bumblebee: Takara MP-21 Bumblebee (nov 2014)
- Star Saber: Takara MP-24 Star Saber (Mar 2015)
- Blaster: KFC EAVI METAL Phase 4: A Transistor (nov 2014)
- Huffer: X-Transbots Krank / Cubex MM-1 Huff
- Pipes: X-Transbots Stax
- Hound: Takara Binaltech BT-04 Hound
- Brawn: Badcube OTS-02 Brawny (nov 2014)
- Outback: Badcube OTS-03 Backland (nov 2014)
- Mirage: DX9 D03 Invisible (nov 2014)
- Metroplex: Hasbro Generations Metroplex / Make Toys MCB-02 Utopia (nov 2014)
- Fort Max: ToyWorld TW-H04 Infinitor (nov 2014)
- Superion: TFC Toys Uranos
- Defensor: TFC Toys Prometheus (2 of 5 released to date)
- Computron: MakeToys Quantron / Warbotron WB03 (first of the 5 due in dec 2014)
Decepticons:- Megatron: X-Transbots Apollyon MX I (release date: dec 2014)
- Starscream: Takara MP-11 Starscream
- Ghost Starscream: Takara MP-3G Starscream Ghost Ver.
- Skywarp: Hasbro MP-11SW Skywarp
- Thundercracker: Hasbro Thundercracker
- Soundwave: Takara MP-13 Soundwave + MP-15 Rumble & Jaguar + MP-16 Frenzy & Buzzsaw
- Shockwave: FansToys FT-03 Quake Wave
- Acid Storm: Hasbro MP-01 Acid Storm
- Sunstorm: Takara MP-11S Sunstorm
- Ramjet: i-Gear PP03J Jet
- Dirge: i-Gear PP03E Elegy
- Thrust: i-Gear PP03A Attack
- Astrotrain: DX9 D05 Chigurh (jan 2015)
- Devastator: TFC Toys Hercules / MakeToys Giant
- Menasor: Fans Project Intimidator
- Predaking: Mastermind Creations Feral Rex / TFC Toys Ares / Unique Toys Warlord
- Bruticus: Warbotron WB-01 (last of the 5 bots due in dec 2014)
- Abominus: Unique Toys Ordin (1 of 5 realeased to date)
Edit (2014/11/17): Initial list finished. Let me know if I forget something. Thanks
Edit (2014/11/27): Added Huffer, Hound, and Fort Max
Edit (2014/11/29): Added Ratchet and Ironhide