It is an interesting discussion. As for what makes AMLoR and Radio KAOS so similar......they're both the sounds of someone trying to do it without the other. Roger told David that he wouldn't go on with Nick as Pink Floyd without him [Roger]. Not that he couldn't, but that he wouldn't. Essentially saying, "you don't have the balls to do this without me." So David set out to prove that Pink Floyd was a band, not a person and that Roger's absence wasn't going to mean the end of the group or a lack of quality music their fans would love. That it would just be another version of the band, much like the incarnation that was fronted by Syd was another version. What made Pink Floyd so magical would still be there, there would just be one less person. Roger was trying to prove that he WAS Pink Floyd and that when he left, so did the talent. His solo album was basically him saying "I am Pink Floyd, without me they're nothing, listen to this and think about how good they had it."

Both David and Roger were trying to prove something; to themselves, to each other, to their fans, to the general public at large. That's what those two records were. I personally don't care for Roger's solo career as his songs are too "beat you over the head" lyrically and I prefer the more swirling soundscapes that David & Rick were known for. That doesn't mean however, that it's crap or that by default, Pink Floyd is better. It's just different.