Very easy to install, works flawlessly with my existing network devices/devices that already have SNMP agents installed! I wish there was an option for custom alerts but it is probably not possible since this product has been around so long (since 2006). Nothing really as far as complaints go - just continue using OODetect until you find something better if one exists out their in public domain or available via open source project development process etc.. The fact that they offer paid support helps alot too!!