I didn't read much past the first paragraph of the first post but you might want to consider an Employment Tribunal on the grounds of Constructive Dismissal. i.e. Your position with the firm has been made untenable due to the actions of your employer. Dunno if it's appropriate in your case but there's loads of employment legislation stuff online.
Try
www.joblaw.org.
Btw: Thats UK Law but i'm sure there will be stuff for elsewhere too.