this is an excellent phone, i spent some time with the Hero and was frustrated within 20 minutes from how slow it was.
pros: very fast, beautiful screen, Android/market is amazing, keyboard, calls are clear both ways, camera takes high quality photos.
cons: vanilla Android, little buggy(like sometimes i can't mount the SD card because the Moment doesn't detect a USB cable is connected, but still charges, fixed by rebooting the phone).
other:battery life is a little weak, but i can go the whole day without charging it, and that's after an hour or so of surfing, dozen or so text messages. i like the way the Moment looks more than the Hero, but i don't like curvy cell phones, little on the heavy side, but again that's is what i prefer.
bottom line: the Moment kicks the Hero in the teeth, but if you care more about style over function, then you'll want a Hero