BES / Email Attached to Task

I'm using a BB 7290 for email ONLY via BIS. In January, our company is merging into another company that uses BES. One of the new perks is a new smartphone - either a BB or WinMo.

I have a macro in Outlook that creates a new task from an email. The new task includes the email as a file attachment. (Also, the email is deleted from the inbox since it has been "handled.")

If I go with a BB, what should I expect BES to do with the synched task? That is, will the task come across with the file (email) attached?

Thanks in advance!