DDNS + DHCP question

Does such a setup have any point: http://www.semicomplete.com/articles/dynamic-dns-with-dhcp/ ?
Currently I got some important hosts assigned a static IP via DHCP and also got them a static DNS entry with a suffix “.home”.
In both scenarios you’d have to manually edit DHCP and assign ip->mac “binding”.
Only difference is that you don’t have to bother with DNS anymore with the setup described in the link…

If only you could have a setup where every host upon getting its IP via DHCP would announce it’s hostname to get a suffix appended on the DNS side.

Any thoughts on this?

actually my question is…
can mikrotik’s dhcp upon host ip negotiation send hostname + ip to a bind server?
I know that /tool dns-update exists… but is there a possibility to run it automatically upon host registers itself on dhcp?