Multithreaded and very fast. Thus, the user can insert an email address in each packet as a form of netiquette. The only minor gripe is that parameters can only be changed by switching to another screen. The lookup functionality is very basic, supporting only A record queries. However, this does fit in with the overall aim of these two utilities.
All output is in Rich Text Format, which looks great.
All output can be logged to a user-specified file. Right mouse button functionality is supported for all windows. Double-clicking on a Profile Name pings the corresponding address. The host manager makes a pleasant change from the usual drop down list of addresses - lists that often end up with duplicate or blank entries. Additionally, the Pro version has an ISPinger feature that keeps your Internet Service Provider connection from being disconnected due to inactivity.