Well, he has started both Cisse and Big Ba for their last 9 consecutive games bar Arsenal so I'd maintain my original stance of 2 men upfront.
My last post, as we're arguing different things! Yes Cisse and Ba have both started, so yes he is playing two strikers. But he has swapped their shape around:
Last game > 4-4-2 > http://www.whoscored.com/Matches/507086/Live
Previous 2 games > 4-5-1 / 4-3-3- > http://www.whoscored.com/Matches/507052/Live AND http://www.whoscored.com/Matches/506990/Live