Twin Turbo LT1

I was just wondering if there are any companys or someone out there that makes a twin turbo setup for an LT1. I was thinking about a supercharger but I kinda want to do something different and will probably make more power.

Charged Air Systems makes one. Not sure if he has produced any more than the prototype(my car) or not.

There is another company working on one right now...very close to being done. I talked to the owner of the prototype over the weekend about it. Sounds like it will be pretty cool though. I think they are called Turbolocity???

http://www.nothingbutperformance.com/turbosystemsoptions.asp theres a twin turbo kit $6400 bucks though