To answer Ontario Emperor's question about German Synthpop...

Apoptygma Berzerk

But another one is Evil's Toy (now known as T.O.Y.), but I have only heard one song of theirs (but it's great!)

I've really been getting into some new music lately, with the aid of a particular piece of software that I shall not mention, plus online lists of artists in various genres.

I particular enjoy the darker end of Synthpop. Other artists I've been getting into are:

VNV Nation - British, "Futurepop" (as they refer to themselves - good melodies set on top of hard industrial beats and basslines)

Assemblage 23 - American, dark Synthpop/Industrial/EBM (Electronic Body Music)

Covenant - Danish, EBM/Futurepop

Front Line Assembly - Candian, Industrial

Delerium - Front Line Assembly's melodic commercial synthpop side project.

Neuroactive - Finnish, Synthpop

Wolfsheim - German, gothic Synthpop

Neuroticfish - German, Futurepop (only heard one song though)