My optimistic side says that surely they'll push out an official 2.x update before its end of life, considering that
they said they would in the myTouch magazine. (
T-Mobile Says ‘No Phones Left Behind,’ myTouch 3G Will Get Android 2.2 | Android Phone Fans )
But my realistic side says they're a bunch of liars.
anyway, cheers to CyanogenMod 6!