Merger/takeover rumours

There has been a lot of discussion lately on mergers and takeovers amongst airlines.  Here is a (likely incomplete) summary, excluding the DL/NW merger which has been announced.

Continental

Merger with United Airlines, CO forum thread on merger talks called off. 

Alliance with American Airlines, AA forum thread, and CO forum thread, and BA forum thread and B6 forum thread.

US Airways 

Merger with American Airlines, US forum thread. 

Merger with United, UA forum thread and US forum thread.

Lufthansa

Takeover Brussels Airlines, LH forum thread.

Takeover bmi, BA forum thread.

I’m sure I’ve missed some threads, so if you have more to add please post a comment with a link.