Vacation-like function in RT?

Has anyone written a add-on to RT that deals with ticket owners going on vacation
and having responses to them be redirected (or CC’ed) to a designated RT user?

We get around it by just re-assigning tickets to someone else while we are out,
but I think a feature like this would be nice to have.

(I’ve looked at the contributed code, but didn’t see anything that looked like
it would do the trick).

I will eventually write something like this (and post it to the community), but
I figured I would ask first so I don’t try and reinvent the wheel.

Thanks in advance.

-Grant Miller

Unix Systems Admin, Engineering Computer Services, Apple Computer Inc.