Shpongle - Are You Shpongled,
everything from Solar Fields,
both Carbon Based Lifeforms albums,
H.U.V.A. Network - Distances
There's just so much, but starting out with these gems is essential, and you won't be dissapointed. By far the most talented people in our world of Ambient / Downtempo. If you liked Leaving Home, you will LOVE "Movements", and "Distances".
From the trance world I'm sure you know the name of Simon Posford, we even have / had? a smiley icon at this forum named :"posford": ( :posford: ). Check out the non-trance projects he's involved in, such as
Celtic Cross - (Hicksville)
Younger Brother - (A flock of bleeps)
Shpongle
The Mystery of the Yeti - now that's a Journey... just check this excerpt out. It's from The Mystery of the yeti 2 - Hallucinogen - "The Herb Garden"
The Herb Garden is the most psychedelic track ever, ever made.