Convolution reverb for mac?

[krank]

I have demoed quite a few algorithmic reverb plugs, but they all sound artificial to me.

Apart from the Altiverb, which is desirable but much too expensive for my broke ass, what are the options for convolution reverb on a mac?

[Brittlestem]

http://www.spiritcanyonaudio.com/convolvers.php

[acousmod]

http://www.sonicbirth.com/
Sonicbirth has a convolution module.
The registred version allows to create your own plugins, but the demo version already comes with several plugins including a mono / stereo convolution reverb, simple but good.

[krank]

Excellent - thank you both very much.

[dry bones]

Soundhack does convolution amongst other sound mangling, and it's free.