okay. I figured out that I could duplicate and work on the poly proxy (level 0) and then transfer the poly uvs over via "inherit poly UVs".
However, the base mesh is a bit different than subd surface. Does anyone know of a way to transfer UVs of a level 1/2 poly mesh? I hope someone can help me out; I did put some time into finding an answer to myself.
I did a bit more reading and searching and found that I should just turn off display geometry under the subd attributes. This way as I manipulate the subd level UVs there is no update. After everything is generally laid out I can switch geometry back on and tweak the layout.
No need to work on a polygonal copy and transfer UVs. Subd UVs are more precise anyway. Sorry to waste time like this. Hope it helps someone