Ok..I have to ask you guys for ideas. We have a Solstice running around Cumberland Maryland that is in disguise. The way the manufacturers disguise them before releasing the finished product. My question is...why would they have one in disguise still? Unfortunately, I have not yet seen it. However, my wife, daughter and co-worker have all seen it within the last week. My theory is...drumroll please...it is a GXP turbo. I am going to scour this little town I live in (with camera in hand) to find this beast. Obviously, if it has dual exhaust or some other markings, it will be a good bet it is a turbo. Any other reasons you guys can think of?