Unfortunately you will need if to not completly ignore Jan19's post at least be careful when pruchasing for Dawn.

From what I could gather using Texture Transformer for DS requires a bit of jumping through hoops.

A lot of characters and clothing made for Dawn do not work in DS.

Poser dynamics do not work in DS. You can use DS dynamics on Dawn but its fiddly - from my experience.

Sadly Dawn does not have much DS support, I use Crossdresser to dress her and it works quite well, but I am really really lacking textures, good ones, for her I have about 2 that I use, if there were more availble then I would probably use her more.