Iron Lad was in the first arc of the Young Avengers series. Eventually (don't want to spoil it), Iron Lad abandons the team and leaves a real serious high-tech armor behind, wich acts as a host for the Vision's templates and database. So, initially the Vision looks like the New Avengers Iron Man with more lights and his own colors. Then, it reconfigures the armor to look more like original Vision, and that's the Vision we all can currently enjoy in comics. My skin reflects the in-between stage, since a fourth skin was never made in the AvengersMod.
Roneye... well, it's too soon to spoil it, but you must already have figured it out if you read the mesh requests made to tommyboy.