Seems it's time to pull out the good old article about writing good subjects:
http://www.useit.com/alertbox/980906.html
In particular, don't start your subjects with [ feature request ] or “just a small…” etc.
If you want to stress that it's a request, just use [REQ].
Why? Well, this is how my mailbox (for this list) currently looks:
It's not all bad, and I could resize the subject column -- but there's something about the irrational trying to change the world rather than adapt! :)