If you've only played Lifeforce, I would really suggest playing the MSX version of Salamander as well, since it is so much better imho!
There are quite some differences between NES Lifeforce and the MSX version of Salamander, as can be read on wikipedia:
As for the remix: commandcom did some lovely work on it!
The first part of the song made me think a bit of the first Command & Conquer though , though when it reached 0:50 the Salamander feeling was awesome
It would be nice if commandcom could make an extended version of the remix though, since I certainly would like to hear some more of this classic!
So, what will be your next project? Penguin Adventure?