I too have gone for some Deathwing, but couldnt bring myself to chop up the new models. The again, I still have the original metal termies painted up as Blood Angels...
Anyhow, I used some older plastic Termies for the project and they are coming along nicely, especially since I dropped them onto some SH themed resin bases:


You can see how I did them at my Blog here:
http://tasmancave.blogspot.com/search/label/Deathwingcheers!