"Both devices have a very bright and vivid screen that just jumps out at you. The T-Mobile G1 has a larger screen, which is to be expected with a phone of that size. While the T-Mobile G1 is also a pretty hefty device, in images and in person, it is actually not too shabby. It has a good weight and it feels fine in my pocket. Not too big, not to small and not to heavy. The HTC Touch Diamond on the other hand is in my opinion the perfect size. It is small and compact and as you can see from some of the comparison images below, it is not that much bulkier than my current Samsung Blackjack if you include the Samsung Blackjack's camera into the equation. It feels a little heavier in my pocket, but besides that the size is absolutely perfect." Read more here: