Interesting, sounds a lot like my UV-3r experience.
And I too have been neglecting the Baofengs recently... and couldn't be happier.
good tip on the accidental transmit- I'd imagine use tones on their end to the same end? never hurts to be double protected though.
82 fj40, 99 uzj100, 06 gx470
05 525EXC, 01 XT225, 09 TTR125, 07 TTR90, 07 CRF50