I was never really a huge fan of the whole "faux lesbian" act (they admitted it was all for show later).
I actually like another Russian techno act, Demo quite a bit. Their big breakout was "Solnyshko".
http://youtube.com/watch?v=X75WW5RMxZ8
Here's another song of theirs I like.
http://youtube.com/watch?v=RL8KBbWuLSY