I really wanted to like HandCent but it seemed to cause problems on my phone--so I uninstalled it.
What would happen is: I would receive an SMS message, HandCent would display a pop up (over the locked screen, btw), I would delete the message from that pop up; but later, when I unlocked my phone, the message would still be present in the notification area; then I would mistakenly try to open the message with the native messaging client but it would then freeze--presumably because it was trying to display a now deleted and non-existent message. I didn't see an obvious way to kill the messaging client task...and I wondered it if would cause my phone to become unstable.
Has anyone else experienced this?