I just installed the bundle, and woah. Good things come in small packages. However, some of the instruments don't wanna work in my Cubase studio 4. Seems that they want two mono outs rather than a stereo out (which is default.)
here is the error message-

VST Mixer Warnings (Saturday, April 04, 2009)
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This mixer configuration expected "tb_ritual_1_1" to have Output 1: Stereo,
-> The instrument currently has Output 1: Mono,
-> The instrument channel will be silent.
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this comes up on I think 4 or 5 of the vst's- rebar, tapeworm, i can't remember them all. Some of them the second line says "-> The instrument currently has Output 1: Mono, Output 2: Mono" . Anyways, I don't know how to route these, and I'd rather not. Any idea what's going on?

I'm having the same issue but with a hardware synth. It has 2 mono outputs, but I'm getting the same message except it says" The mixer configuration expected ea-1 output: stereo.
The instrument currectly has output 1: mono and output 2:mono. The instrument channel will be silent."

Sure enough, no sound.