The 2.2 and the 3.x series are totally different. As far as I know there are no common/generic update/export/import-scripts that can be used. You would have to do a lot of stuff manually; also regarding the templates/layout, since this is totally different too. However, it shouldn't take too long; if I were you, I would do the following:
1) Figure out which classes I need.
2) Create the content classes.
3) Create the site structure (folders, articles, etc.).
3) Create the pagelayout (main template).
4) Create templates for the different classes. 5) Make a script that exports data from 2.2 into the structure in 3.x.
This might be an other stupid question. Is there any possibility to export data from linux to windows? How much help do i get if i buy support from you? Do you make the whole upgrade for me? Or just parts of it, or du you guide me?
Export what from Linux and import it into what on Windows? :-) It is impossible to estimate how much a specific support service/session would cost without having a proper list of requirements. You would have to contact our support division and ask them directly. Do this by e-mailing them using support[at]ez[dot]no. A good/clear list of requirements usually results in smoother/better support. We try to help out as much as we can, however - the amount of time used is proportional with the amount that will be printed on the invoice.