I have been playing lately with Pjetsky's list (double incantor, 10 evo, 9 longstrike). Yesterday I played a game with a friend and his OBR, we have a tournament in mid January and we are testing some lists. Everyone is weak against shooting, but with a 3+ save you can take a lot of firepower. He took first turn and put a -1 on my longstrikes (He was playing with katakros, boneshaper, arkhan, morteks, 3 stalkers, 3 immortis and a unit of deathriders). I deployed my longstrikes in the battlefield because I had no ranged threats. It was a close game and I was surprised how hard it is to remove OBR units from play. If he swaps arkhan for 2 crawlers my longstrikes won't do enough damage before dying and 10 evocators can't kill a unit of 20 morteks in one round. He'll dominate the shooting and combat phase.
If double crawler becomes meta I see a return to ballistas.
Sorry for polluting this thread with SCE things, maybe we can switch this conversation to the SCE tread.
I was thinking of including a crawler in my OBR list to deal with shooting but I'm starting to think that we can take the punch and move forward. Two crawlers or none.