You can be the first to get it - register to be able to receive download link before everyone else. http://www.veeam.com/go/monitor4/
Advanced registration highly recommended: keep in mind that Veeam Monitor 3.0 has had over 50K downloads for the last 3 months, so it will definitely be crazy first few days after 4.0 release when everyone starts downloading the upgrade.
FAQ
Yes, Veeam Monitor 4.0 will have free edition, and in fact its feature set is expanded with this new release. All existing limitations are still in place in free edition though, and some newly added functionality will be restricted as well.
Yes, we have managed to make this work again. And we have added additional convenience feature that I am sure all free ESXi users will appreciate. Can't say more at the moment but if you liked embedded VM console, you will totally love this feature