Hi Maciek,

re:
> I just don't want to buy v3 just before v4. One more question.Will be possible to buy beta with free upgrade to final?
> Or it will be just possible to buy the final version?

Sorry no the beta version won't be set up for sale on it's own, it will just be available to existing users. For buying v4 you'd have to wait until the final version is ready. I don't really have any good idea when that will be, it depends a lot on how the beta release goes.

- Michael