That Fortis Cosmonaut B 42 is very nice looking. The dial is cleaner and more purposeful looking than the Mercier. What is your price range? If you're close, you should consider holding out for one of these
Damasko's The effort put into the bracelet alone is impressive.
https://www.youtube.com/watch?v=x0OOy-GMqB0
On the lower end of the price-range, I am looking seriously at this
Mido Multifort Chronograph That seems to get reviewed well and looks really great (to me)
http://www.mcbroom.biz/PMWF/Mido_Multifort_review.htm