I've received no such Email, but I'll go poke at things and follow up + edit this post to see if there's been any improvement.
Edit: yup, looks like a reboot picked up a TFTP config change. And not only that, but a firmware update too (SB_KOMODO_1.0.6.10-SCM00-NOSH). I can confirm I'm seeing an increase in speed in Mountain View.
Before reboot:
Mar 23 10:38:00 Device Model: Motorola SB6121 (hardware version 5.0)
Mar 23 10:38:00 Firmware: SB_KOMODO-1.0.6.8-SCM01-NOSH (Aug 30 2012 15:35:46)
Mar 23 10:38:00 Boot Code: PSPU-Boot(25CLK) 1.0.12.18m3
Mar 23 10:38:00 Modem Uptime: 17 days 19h:23m:25s
Speedtest before: »
www.speedtest.net/result ··· 1976.pngAfter reboot:
Mar 23 10:45:38 Device Model: Motorola SB6121 (hardware version 5.0)
Mar 23 10:45:38 Firmware: SB_KOMODO-1.0.6.10-SCM00-NOSH (Oct 29 2012 18:07:13)
Mar 23 10:45:38 Boot Code: PSPU-Boot(25CLK) 1.0.12.18m3
Mar 23 10:45:38 Modem Uptime: 0 days 0h:2m:2s
Modem log confirms TFTP change:
Mar 23 2013 09:41:15 6-Notice E102.0 SW Download INIT - Via Config file d11_m_sb6121_speedtierextreme2_c01.cm
Speedtest after: »
www.speedtest.net/result ··· 1450.pngHave not checked to see if they left PowerBoost enabled or not (as supposedly with the speed upgrades they've been getting rid of it, which is fine by me).