The T5442T-ZE is a really good camera. The previous champ was the IPC-HDW5231R-ZE 2MP. The Amazon price is $176.99, making the 5442 look even better. The IPC-T2231T-ZS is as good, if not better, camera vs the 5231 but doesn't have sound. At $129.99 on Amazon it is priced right if you don't...