I'm sure you're not the only one who's considered this but halted when wondering why Q Acoustics hasn't made a dedicated centre using the same double-wall Gelcore technology.
An obvious gaping hole in their line-up. Maybe they're working on it...right now!
Their 2000ci uses the same drivers, so ought to match tonally, but will not benefit from the same inert cabinet technology, so more cabinet resonance will be getting in the way of the centre channel, which as many speaker manufacturers like to remind us, use up to 60% of some movie mixes.