It's small and cheap, but I really have to suggest a Sound Dampener, either as part of a cyberear set or just on their own.
A lot of Shadowruns involve a lot of loud noises inside a building (like, say, gunfire!), and replacing your hearing constantly is a major pain.
As a GM, I took out a Troll Tank character build using just sound. (Well, Flashbangs. Lots of Flashbangs.).
The same character took himself out with a bottle of purgative, so maybe I shouldn't brag about that...