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! :)