You sound angry, hurt and very emotionally which is okay. Feel what you have to feel but IMO I would wait at least a week before you make any further decisions or deliver any ultimatums. If you still feel that way in a week, well, then perhaps your feelings werent being fueled so much by emotion but with actual desire.
That is great advice, right there. Don't do anything while your emotions are running wild, and ESPECIALLY if you should find out something further that upsets you. There's nothing that has to be done right now.