nvr selection

Hi, We have a 11 IPC-HFW5231E-Z camera's outside and 7 Foscam cameras inside and are looking for an Dahua NVR W/POE. I have looked at the Dahua NVR5242-24P-4KS2, with 24 POE ports this seems to be the right size. We are open to suggestions on other models, sometimes newer and better is less...