Look at IC Realtime EL1000 or CNB WCM-20VF. I have used the EL1000 and I am about to replace a WZ18 with one. In my opinion the EL1000 blows it away for less or similar money. I just saw a demo of the CNB and I am going to try to find one to test. The EL-1000 gives a crisp b/w pic at night.