First post here, and I'm loving my Pearl. The review is wrong, however, about keyboard lock. There is a hardware solution and I use it all the time: just press and hold the "*" key for two seconds and the keyboard is locked. To unlock, press "*" and the answer button. Good review overall, though.
I love my Pearl and I've been through them all: Treo, Q, Nokia E61, etc. It's the best of the bunch.