karellan wrote:IDW Collection 5 contains All Hail Megatron and the Coda. The All Hail Megatron Collection contains the four individual All Hail Megatron trade paperbacks (look on Amazon or something for more details on those). I think only the first two trade paperbacks are covered in IDW Collection 5. The extra material consists of spotlights that tie into the All Hail Megatron story/universe. I've never been a fan of any of the spotlight collections because they are so hit and miss; a collection of them usually has 80% crap in it.
Originally the IDW collections were intended to publish each of the stories in chronological order, so the Spotlight books were already included in other volumes:
Blurr: Volume 1 (Megatron cover)
Drift, Metroplex, and Jazz: Volume 4 (Grimlock cover)