It does seem like they are having problems setting the upload, if yours is going nuts that might be an indication they are making the change. My upload speed still jumps around depending on the test I run, if I FTP something large it settles down to 4Mbps.
FYI: the Java test here at DSLReports is giving me the same rates I get doing FTP. Other flash based tests seem to be very inconsistent now.
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