We will probably move to the source engine after the Renegade version is finished.
The Renegade engine can support high poly models. The problem is the support of high quality texture.
Anyway if you are interested in helping us, just contact me @ firstname.lastname@example.org
You can see here some products we are working on :
We need good texture artists. As we will use quality skins for our models when we will make the HL2 version.
( knowing bump mapping and other stuff like that is a plus )