SolarWinds Web Performance Monitor can be improved further by having it run a traceroute right at the exact same time that a recording is being played back.
This will help in the networking side of troubleshooting or doing RCA's about why the status of a Transaction monitor is unknown or down.
I hope that this will come up in a future version of WPM.
It looks like this feature is available in Pingdom. But since SolarWinds already owns Pingdom, I hope they can incorporate the traceroute feature in WPM as well.