a PBB is easy to get in an event too.
But the Sevastopol won't magically solve your problems. Yes, it's a much tougher ship. But the range of it's guns isn't much better (still worse than SoDak or NorCal range) and the odd turret arangement results in terrible shot spreads. In fact, with at-level gunners you have trouble landing all your shells in the same postal code...