Not a problem, you're welcome. Looks like you're getting normal speed to Dallas TX and Seattle WA. That information will help them... note that all of my official mirrors are constantly monitored and quality tested against each other... everything is running smoothly on my end. The discrepency between the servers almost always points to routing issues. Especially because the difference is so drastic and the fact that you're able to pull your speed to some servers.
Let us know how it goes.
If you don't understand what routing and peering are here's an offsite Article explaining routing and peering I found on Google. Also wikipedia has lots of good information on the subject, http://en.m.wikipedia.org/wiki/Peering#How_peering_works