I agree with Bomarc--if this thread goes on long enough, you will be overwhelmed with recommendations. Miles contains multitudes. For example, you could spend the next ten years sampling the seemingly endless series of double-LPs from his fusion period. Dark Magus, Black Beauty, Live Evil, etc. If you like Jack Johnson and/or Bitches Brew, you'd probably enjoy any or all of these.
As far as ambient Miles, I would recommend the fairly recent remix of the Panthalassa album. I can't imagine you wouldn't enjoy it if you like 'In a Silent Way.'
Also, give the 'Live From the Plugged Nickel' a try. It's available as a box set, but you can get a one-CD "best of" to get a good taste of it.
For me, Sketches of Spain, Porgy and Bess, and other albums from that period took some getting used to and were more of an "acquired taste," whereas I loved Sorcerer and Nefertiti immediately.
Bottom line--given your stated preferences, I would recommend the Panthalassa remix first and branch out from there.
Happy listening.