For what it's worth, i like my Danville stage 2 in the MPI compound setup, though if he made something bigger on the exhaust side (which the Garrett 4094 AVNT is NOT) - something that flowed better, i'd take it. My turbo was supposed to have been brand new before danville worked on it - but i didn't inspect it close enough to know for sure whether it was or wasnt.
I think the hold up with my turbo and any of the AVNT isn't on the compressor side. Its on the exhaust side. Improve that flow and you've gained a ton IMO after all my 'testing' the past year. Still hoping something new hits the market very soon that improves on the exhaust side.