I'd like stuff similar to that era too, but what exactly do we want from that kind of era?
Is it the style of music? the hair (!) ? or just the motivation he had back then (2 albums released barely 18 months apart with some great music videos/singles, a long tour in between and a Birthday bash)
I guess Pablo is right in that, Bowie has never been one to really repeat himself, so it would be more in how he creates music rather than the content.