I have pretty good SNR at the moment and would love to upgrade from the 100/20 plan if it were available, but from what I've read the plan is only available for FTTH customers. My line rates are similar for both pairs.
Levels Downstream Upstream
Line Rate: 67581 Kbps 17920 Kbps
Attainable Line Rate: 95974 Kbps 55497 Kbps
SNR: 8 dB 19 dB
Attenuation: (DS1)4.1, (DS2)10.1, (DS3)17.1 dB (US1)2.8, (US2)9.8, (US3)13.6 dB