Great lost lps...the 80s....synth pop and others..

Many good suggestions above, also

Yazoo - Allison Moyet and Vince Clarke
OMD
Depeche Mode (were even better once Vince left - Construction time was a landmark album)
The Cult
Duran Duran (took 70's disco - think Chic and incorporated into Synth pop of Roxy Music style)
Flock of Seagulls
Annie Lennox/Stewart Eurythimics
Ultravox (great sound effects)
New Order
Pet Shop Boys
Soft Cell
ABC
Blancmange (combined synth pop with Indian instruments)
Howard Jones
The Fixx

and great producers - Trevor Horn, Colin Thurston, Martin Rushent, Rupert Hine,Gareth Jones, Nile Rodgers