Yes! Please do it.
Frequency/Amplitude are excellent games, and I used to play Amplitude online all the time. Bring it back, you'll get a sale from me, that's for sure. I was kinda dissapointed when they announced they were working on "guitar hero" instead of another amp/freq type game.
Demon's Souls Official Thread | Currently playing: Left 4 Dead 2, LittleBigPlanet 2, Magicka