Right now there is (to my knowledge) no version of Daemon Tools compatible with the official public Beta of Win7 Build 7000 and it seems that they don’t even think about doing anything for win7 before the public release.

But there is help! The free software from Slysoft “Virtual CloneDrive” maps your images as virtual drives for your harddisk. Slysoft does not yet officially support Win7, however the software works as expected (almost). The only thing you need to make sure is that you umount all drives before shutdown of Win7, because Virtual CloneDrive seems to prevent the system from shutting down.

However, this was the solution that helped me install all my archived images. Thanks Slysoft.