These sound like good baby steps towards progress.
As for the sleeping in the same bed: what have the arrangements been up til now?
I would say that if the master bedroom is yours or you have been sharing it, keep doing that on the nights you are home together.
Just continue to be polite and nice during your visits. Offer compliments when they seem warranted, say "please" and "thank you", etc. Two weeks is a long time; if you keep it up, I would be surprised if you see no improvement in her demeanor towards you.
Me: 44, Wife: 39 M: 17 years T: 20 years Bomb on 08/25/09 1/13/10: MC started 1/28/10, 2/8/10: More bombs 8/28/10: Wife moved out No talk of D, no movement