Of course, she'll be upset you took the cake away from her which so far she'd been having and eating too. Perhaps you could've left out "I'm no longer invested in your financial security" but then again you don't have to pussy foot around anymore. This is when you take control and lead...she's no power over you anymore. You're a free person responsible for yourself and your kids. That's it.
As for her not calling- I think in time she'll start calling again and if she doesn't well you know the real her and why would you want her back if things will be the same with her as before. This is what I've learnt from my own sitch. I changed during the separation, she never did. So it was pointless to get back together. Even though she was remorseful and said sorry like she's never before but only after she got hurt. So I've come to the conclusion that it was guilt and fear not remorse. There's a difference.
Good for you your mind's quieter, that's a good sign- a sign of analyzing less and detaching more.
Me: 35|WAW: 38|D: 6yo | http://tinyurl.com/2dxx7m6 Feb 2006, left, came back in two weeks Aug 2006, left again Apr 2007, filed for divorce Dec 2007, reunited Mar 2010, moved out, filed again