600 Euros for a Savage Axis!?
It isn't worth that.
If you like the CZs, I would definitely stick with them over the Ruger. I love my Rugers, but I don't think they're worth cost if you have to compromise on your preferred scope mounting system and magazine preference (and buy new rings). The safety on the Ruger is also opposite that of the CZs - Ruger's operates the proper
So, you'd have to get used to the different 'safe' and 'fire' positions.
If you plan to spend almost all of your time with this rifle at a range, I'd go with the Varmint model. But, if you think there may be a fair amount of hunting (requiring carrying the rifle), I'd seriously consider the American.