Isn't the (true) goal for most "no sonic signature" ?
Now that I've lit the touch-paper I'm going to retreat hastily....

No.
Every Hi-Fi company I have every spoke to say they have a sonic signature, always have and always will, as soon as they loose that we will all by the cheapest out there.
People say the Meridian speakers are pretty colourless, but I disagree completely, if you listen to applause on a pair of DSP8000s it doesn't sound like your in the room with the audience in the same way as a pair of Dunlavey SC-IV's do being run through a Cinepro 3k6 Gold, and then listen to a Piano on both, the Dunlaveys sound more like a real piano imho, but the Meridians sound far nicer.
I would take the Meridians every time, but they were not designed as studio monitors, and are all the better for it.
I also find M speakers the best I have come across for not sounding shrill as you get louder, their sound does change as the volume increases but like most systems, it is far better controlled.