Don't know about Hatsan, but I will never buy another new gamo product. Every one I have seen is cheap plastic junk.
The new Gamo's are ok they just need a little TLC in the beginning. In truth my Whisper is a pretty consistent shooter and for the money not a bad first adult air gun. It helps you to learn quickly how to perform proper maintenance on your new toy since if your any kind of OCD who MUST hit the bullseye your first project will be a Charlie Da Tuna trigger