Hawkwind - 1st 3 LPs
Pink Faries - Never never Land
UFO - Flying/1 Hour Spacerock
Ashra Tempel - 1
Loop - A Gilded Eternity (later but essential)
Sundial - Other Way Out (Another late but essential)
Gong - Continental Circus/Flying Teapot Trilogy
Eloy
Agiatation Free - 1st 3 LPs
Guru Guru - 1st 4 Lps
Zior
Orang Utang
The Flow
Possessed - Exploration
New Stuff i recommend :
The Oscillation
Orange Goblin - 1st 3 LPs
The Emperor machine
Grails
They came from the Stars i Saw Them
Stars of the Lid
Windy and Carl
Black Moth Super Rainbow
Electric Wizard - Supercoven/Burnout