I vote for either option 2; the procmail filter you suggested; or a combination of option 2 and leaving out some words (rather than using SMS-style abbreviations).
I don't listen to phone posts, but if someone on your friends list does, and will transcribe them, that might also work.
(no subject)
I don't listen to phone posts, but if someone on your friends list does, and will transcribe them, that might also work.