I just got the 35 EVO as I already have their 50 and 85 f/1.4 Pro lenses. Otherwise, I would certainly pick up the 55 EVO as well.
Edit: I like the 35 EVO so well that I ordered the 55mm f/1.8 EVO. I am going to consolidate my primes down to 35 and 55 EVO, 105 macro and the 135 Plena.