Convolution: How much CPU needed?

[van Sinn <vansinn@post.cybercity.dk>]

I want to add a very small computer to my rig for doing three things:
. convolution
. stereo 31 band 1/3rd octave EQ
. stereo looper / phrase sampler

An issue will likely be how to run such plugins without having to use a 
whole grand theft auto DAW package.
Maybe one of the packages for live/stage use that comes with some of the 
DAW's, like MainStage or Ableton Live (IIRC)..
I basically need 'something' capable of loading VST plugins, perform 
things like routing, controlling levels and mixing signals..

The EQ won't be MIDI'ed; it's meant for finetuning to the venue, i.e. at 
home loud, at hole bedroom level, for headphone, a studio.. with presets 
named for each venue.  I'm not sure how much CPU the EQ will require..

A software looper / phrase sampler shouldn't require too much CPU power.


Which leaves by far the worst CPU hog: Convolution, but how much ?

I'll prefer either an Intel CoreDuo ultra-low voltage 1.2 or 1.4 Ghz or 
a Core i3, as both of those runs very lean => low heat dissipation.


-- 
rgds,
van Sinn