[quote=@UltikanaRe]
It would be nice if [@Mahz] added an alert feature...
[/quote]
Like what? 

[@Marshall]'s using the notification system as intended. Do you have a suggestion?

Although it still needs some work: It should give you username suggestions as you type them, and you should be able to add more @mentions by editing the post (unfortunately only the @mentions upon post creation will send notifications).