The first tune in the invite is really great.
Arsenic - Nordlicht 2013 Invitation - C64 Demo (Party Invitation)
Arsenic - Nordlicht 2013 Invitation - C64 Demo (Party Invitation)

Although the C64 did have better sound which was amazing. I didnt like the way the C64 did graphics. In fact I rather a game to have more detail and be monochrome than have colour and less detailed.
Observe - Way of the Exploding Fist on C64 and Spectrum. Ignoring the resolution and graphical definition differences, which colour palette do you prefer? -