I agree right now the alchemist is pretty bad. It's going to need some core changes to make it better. Like not just damage, but like onset times for poisons are horrid and they need rework on how they use resonance for alchemical. Once they run out of resonance and alchemical bombs they are pretty much commoner. This is a playtest so this is the opportunity for people to voice there concerns and paizo to look at each class and see if they are operating at where they should be.